Tag Archives: science fact

The shape of things to come! (New rockets; May 12, 1959)

I had planned to write about science fiction today, but then I found an article by Homer Newell, Assistant Director of Space Sciences at NASA, talking about the new stable of rocket boosters about to come into use.  So, it's time for the science-fiction-into-fact column!

For the first year of the Space Race, the United States had just three boosters at its disposal.  One was the slender Vanguard, which had its share of mishaps before achieving its objective.  The Vanguard was the Navy's contribution to this nation's orbital activities, though it was developed under civilian authority (the only civilian booster to date, in fact, in the world).  The Juno I, also known as the Jupiter-C, about which there has been much nomenclature-related confusion was the Army's rocket, and it launched the first American satellite, Explorer I.  Finally, there was the Air Force's booster–the Thor IRBM mated with the top two stages of the Vanguard rocket, known as the Thor-Able.  It launched Pioneers 0-2.

Late last year, Von Braun's Army team took the top stages of the Juno I and put them on a bigger missile, the Jupiter IRBM, and created the Juno II, which launched Pioneers 3-4

That was all she wrote for the International Geophysical Year, but now there's a brand new crop of boosters that have been unveiled:

One of them, the Thor-Hustler, has already been used to launch the first Discoverers.  I know what a Thor is, but I'm not sure about the Hustler.  I think it's a booster designed for a self-propelled bomb to be mounted on the sleek new jet bomber, the B-58 Hustler… but I could be wrong.

As might be expected, the powerful new Atlas is being mated to the Able and Hustler boosters just as the Thor was, and its heft should be correspondingly higher.  After all, the Atlas is designed to send atomic bombs all the way to Moscow from California, whereas the Thor is based in England.  I believe the Atlas Able will be used to launch a set of bigger Pioneers to the moon.  I don't know what the Atlas Hustler will be used for.

But perhaps the most exciting development is that of the Scout rocket.  Able to put 300 pounds in orbit, a good ten times the ability of the Vanguard rocket, it is also five times cheaper to launch–a mere half a million dollars as opposed to 2.5 million dollars.  It is also a civilian booster.  Expect this little number to usher in an uprecedented new era of space shots.  Soon, the sky will be filled with scientific beep-beeps!

There's more to tell, but I think I'll wait until next time to discuss it.  Oh, you want a hint?  Let's just say that there's a big planet out beyond Jupiter…  and it's namesake is going to be a doozy!

To wrap up this news segment of Galactic Journey, I present to you our beloved Vice President announcing the nation's "Handicapped American of the Year," Dr. Anne H. Carlsen of Grantsburg, Wisconsin, who lacks both hands and feet.  I suppose it's appropriate that Mr. Nixon gave this award; after all, he is similarly afflicted, lacking charisma or conscience. 

Just a word to the wise to those sending me comments via the U.S. Postal Service: you'd better do it quick, because the Postmaster General has asked permission to raise the price of a First Class stamp from four cents to a full nickel! 

See you soon!

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Earth: 0, Space: 3 (Atlas, Discoverer, and Vanguard; 4-16-1959)

It's been an exciting though disappointing week in the world of space exploits.  Here is a summary of what you've missed if you haven't been following the papers:

DISCOVERER 2 SOARS INTO ORBIT; LAYS EGG NO ONE CAN FIND

The Air Force launched another Discoverer on April 13.  After 17 orbits, the satellite ejected a capsule for recovery.  The landing spot was supposed to be around Hawai'i, but a task force of ships and aircraft were unable to find the capsule.  Now, there wasn't anything on board this one, but later shots are supposed to carry biological specimens.  And maybe film for developing.  Oops!  Did I say that out loud?

In any event, no one knows where it landed.  Since Discoverer is in a polar orbit (and still otherwise functioning, to all reports), I suppose the capsule could have fallen anywhere along its trajectory.  If the capsule was ejected too early, it would have hit Antarctica or the South Pacific.  If late, the track crosses Alaska, the Arctic ocean, and down through Scandinavia, the Eastern Bloc nations, and all along central Africa. 

Assuming the latter, its destination could be somewhere in the ice, perhaps a communist station, or next to some frightened zebra.  We may never know.

VANGUARD IS ANOTHER FLOPNIK

The Navy boys tried to launch a sequel to the orbiting but unsuccessful Vanguard 2.  This shot was a two-fer–atop the slim rocket was not only a 10kg ball with a new magnetometer on board (for mapping magnetic fields) but a balloon for tracking air density.

Sadly, the rocket only got up a hundred miles before falling back to Earth.  It's a shame–Von Braun's team is having success after success, but the Vanguard program is stuck in first gear.  Let's hope they can get Vanguard 3 up before the year's end!

MAIDEN LAUNCH FOR NEW ATLAS A BUST

The Atlas is America's first Intercontinental Ballistic Missile (ICBM).  It is being manufactured just a dozen miles from my house at Convair's Kearny Mesa plant.  The first incarnation of the Atlas was test-launched in 1957 with a dummy warhead.  Since then, Atlases have been launched with some regularity from Cape Canaveral, including the December launch of SCORE, which went on the improved Atlas B.  The Atlas C was the last of the prototypes, and it may be used this year for an upcoming Venusian mission.

But the Atlas launched on April 14 was an Atlas D, a more-powerful version designed to be the first operational ICBM, the one they'll bury underground in protective silos to be turned loose on the Soviet Union on a moment's notice. 

Eventually.  The one launched last Tuesday malfunctioned right out of the gate, one of its three engines blasting at reduced capacity.  It limped along for 20 seconds, burst into flames, and was destroyed 17 seconds later by ground control.  And this is the booster that the Mercury astronauts will ride into orbit.  Brave men they!

So, as they say, "All the news that fits, we print!"  See you in two days!



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Lucky Seven! (The Mercury astronauts; 4-09-1959)

The results are in!  NASA has picked its first seven astronauts, dubbed "The Mercury Seven" since they will be flying the new one-man spacecraft when it debuts for piloted missions, perhaps next year.

The newspaper mistakenly described them as "GI"s the other day, but they are, in fact the best of the best American military test pilots from all of the services except the Army.  110 candidates were winnowed to 31, and of them, 24 were sent packing (though I suspect we may see some of them in later astronaut groups). 

The chosen seven are a homogeneous bunch in several ways: white, married with children, mildly Protestant, in their 30's.  But they come from a variety of places and service backgrounds.  In alphabetical order, we have:


The astronauts expressing confidence that they will all come back from space safe and sound; L to R: Slayton, Shepard, Schirra, Grissom, Glenn, Cooper, Carpenter

Navy Lieutenant. Malcolm "Scott" Carpenter: 33, much has been made in the local paper since he is a native, though adopted, son from Garden Grove, California.  His wife registered him for the astronaut program while Scott was at sea.  He has the least flight time of the astronauts, but this is more than compensated by the man's dreaminess quotient.  What a hunk! 

Air Force Captain Leroy "Gordo" Cooper (for those not militarily inclined, this rank is the same grade as Navy Lieutenant): 32 and a Colorado resident.  He's flown the fancy new planes, including the F-102 and F-106B.  Gordo speaks with an Okie drawl, but I understand he's quite a sharp tack.

Marine Lieutenant Colonel John H. Glenn: 37, from Ohio, may have the most impressive credentials.  He flew 59 combat missions in World War 2, more than a hundred in Korea, and he has the highest rank of the candidates.  He's also the most religious, the nicest, and (reportedly) the most abstemious.  I'd put odds on this fellow getting a plum spot in the line-up.

Air Force Captain Virgil I. "Gus" Grissom: 33, from Indiana, is the youngest and shortest of the group, but he has more combat missions under his belt (in Korea) than anyone in the group but Glenn. 

Navy Lieutenant Commander (between the Lieutenants/Captains and Lt. Colonel Glenn in Rank) Walter M. "Wally" Schirra: 36, from New Jersey, he's apparently the prankster of the group.  He comes by his talent honestly, his father having been a stunt pilot and his mother a wing walker!

Navy Lieutenant Commander Alan B. Shepard Jr.: 35, from New Hampshire, has the most flight time but zero combat experience.  He has an intense air about him suggesting he may be a leader type.  He confidently declared that he expected orbital flight would be no more hazardous than testing out a new plane on Earth.

Air Force Captain Donald K. "Deke" Slayton: 35, from Wisconsin, he's got almost as much flight time as Shepard, and World War II combat experience.  He has a smart, no-nonsense look about him.  I suspect he'll get a good mission.  He said he signed up because we'd pretty much finished exploring the Earth, and it was time to pierce the next frontier.


L to R: Grissom, Glenn, Cooper, Carpenter

Unmanned test flights of the Mercury spacecraft, which looks a bit like a thimble, are expected to start in the summer.  The capsules will be launched sub-orbitally first on "Little Joe" test rockets and then Redstones (which were used to launch the first American Explorers

I'm willing to wager that, now that American's first spacemen have been identified, our upcoming science fiction stories will make many and copious references to them, either directly or allusive.  For decades, authors have written how the first men would go into space–now they know for certain who they will be and what they will ride in (that is, unless the Soviets beat us again to the punch…)

See you in a couple of days with news of Fred Pohl's latest novella, really a short novel.  It's excellent.  Until then…

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Kaboom! (Project Argus; 3-26-1959)

This is what happens when you let scientists play with toys.

Apparently, last summer, the Air Force detonated three atomic bombs high above the South Atlantic… just to see what would happen!

That's actually a little too glib.  Dr. N.C. Cristofilos, of the Lawrence Radiation Laboratory, has always wanted to trace the lines of magnetic force that girdle the Earth.  After Sputnik launched in October 1957, he has been hung up on the idea of using satellites to measure the path of charged particles along those lines.  But Dr. Cristofilos was not content to collect data of the natural environment for, as he confided to me, "The creation of artificial effects under controlled conditions is more interesting, as the initial conditions are known and therefore physical quantities can be measured under completely diferent conditions from those which the natural phenomena allow."

Which, translated into layman's speech, means, "We need to detonate three atomic bombs high above the South Atlantic and see what happens!"

The Air Force love their toys, too, and the whole project went from concept to completion in about half a year.  They apparently wanted to get the experiment done lest some pesky nuclear test ban treaty come into being unexpectedly (they needn't have worried). 

In fact, I think the Air Force moved a bit too quickly for a project designed for purely scientific research.  I have heard rumors (without detailing the source for fear of leaking classified information) that the real project aim was to see if, by detonating nukes high in the atmosphere, they might create an artificial barrier against enemy missiles, or at least light them up in flight for easier interception.

I can't tell you if that's the case (I doubt it), but we do have a host of scientific data available.  You see, Explorer IV was launched last summer specifically to observe the effects of Project Argus (as the tests were called).  Of course, they didn't tell the press last July.  I'm frankly amazed that we're being told the truth at all.  Perhaps the whole thing was about to leak, and the government wanted to control the release.

So what did Explorer IV see?  The Argus blasts created their own auroral light along the magnetic lines nearest the bursts.  Electrons charged by the blasts flew along these lines to an apogee of some 4000 miles.  Essentially, the satellite was able to see Earth's magnetic field glow in the dark.  The Argus tests also enabled scientists to venture a guess as to the lifespan of a charged electron, though I haven't head anything definitive yet.

Of course, three tests in one section of the upper atmosphere hardly makes for a definitive data set.  We clearly need more airbursts!  I bet the Air Force is studying plans for several such tests over the Soviet Union, seeing how that nation covers such a large swath of territory that must be just loaded with magnetic lines of force.  I bet we could even get the Russians to pay us for the service–if we did it at night time, we'd be providing lighting for those remote Siberians who lack access to electricity.  Oh, we're such humanitarians!  We should put Edvard Teller, that philanthropist, in charge of the project after he's done using atomic bombs to blast canals (Project Plowshare).

And if your coffee tastes funny, I hear strontium-90 is good for your bones.  Why else would they absorb it preferentially over boring ol' calcium?

Oh dear.  My cynicism is showing again, isn't it?

Back to fiction in two days.  Satellite's got a snazzy new slick-sized format.  But are the stories as impressive?  Stay tuned!

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Where's my script?  (F&SF Part… um… Pioneer IV update!; 3-08-1959)

Isn't it frustrating when you try to tune into your favorite program and hear nothing but static? 

Sorry folks!  I'd planned to give you Part 2 of this (last) month's F&SF.  Well, the last third of the issue is taken up by a Poul Anderson novelette, and I know I won't be able to devote a whole article to just that, assuming I can even get through it.  But I don't have enough to fill an article with the remaining stories. 

Therefore, I have resolved to just give you all an extra-long column day-after-tomorrow!  It will be worth the wait, I promise.  There are some fine stories this month.  And who knows?  Maybe the Anderson story will be good.

(gasp)

All right, I can't hold my breath that long.

——–

In other news, if you've been tracking the flight of Pioneer IV, you may have heard that we finally lost communications with the plucky little probe at more than 400,000 miles away.  This isn't the fault of the ground antennas, which could probably track the vehicle much further out.  The satellite's batteries just ran out of juice.  Hopefully, when we have bigger rockets (perhaps the Air Force's Thor "Hustler"?), we can send out satellites with solar panels on board that can broadcast indefinitely.

Anyway, the Russians are crowing that their Mechta made it further, but we're saying that our science was better.  But can we really trumpet our mission as a triumph without a sodium flatulence experiment?

See you on the 10th!



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We're Number Two! (Pioneer IV; 3-04-1959)

In any nascent endeavor, it is human nature to trumpet even the most modest of achievements.  Sure, Pioneer I didn't make it to the moon, but it went pretty high and confirmed the Van Allen Belts.  Sure, Vanguard I was the size of a grapefruit, but it taught us that the Earth is pear-shaped.

In that vein, sure, Pioneer IV, NASA's latest moon shot, may not have been entirely a success, but at least it will be the first (American) probe to sail beyond our planet's celestial companion and into solar orbit.

Launched yesterday on a Juno II, Pioneer IV is essentially an exact duplicate of the less-successful Pioneer III, with a little extra shielding around one of its charged particle detectors to better measure cosmic radiation.  In the tradition of focusing on the positive, I will note that Pioneer IV's mission is not just to take snapshots of the moon, but to duplicate the mission profile of its predecessor so as to provide a comparative data set.  This is the soul of science–the repeating and repeatability of experiments. 

As far as the trip to the moon is concerned, there have only been a couple of minor hiccoughs: one of the three scaling factor taps on one of the counters got knocked out when Pioneer IV's engines shook it a bit too roughly.  In English, a scaling factor allows scientists to convert the raw voltages, recorded when charged particles hit the spacecraft, into usable numbers.  I don't think this critically damages the instrument.  Pioneer IV's transmission also went on the fritz for about 30 seconds while the craft traversed Earth's outer radiation belt. 

While we're on the topic of problems, it looks like the little spacecraft is going to pass wide of its target, missing the surface of the moon by some 37,000 miles.  This is too far to activate the photoelectric sensors on the spacecraft, which would have been used to activate a camera–if the probe had been heavy enough include a camera!  Not a huge loss.

What will really be exciting is to finally give the Jet Propulsion Laboratory's deep space tracking network a full run through its paces.  We've never tried to monitor a spacecraft several hundred thousand miles from Earth before.  On the other hand, if the Soviets can do it, I suspect we can, too.

So there you have it.  We launched a probe that weighed sixty times less than Luna I and which missed its target by a distance ten times greater.  And we did it two months after Luna I.

A success?  You be the judge…

P.S. Following up on Discoverer I, the Air Force is claiming that they are still receiving sporadic signals from their spacecraft.  They've also confirmed that their new rocket is a Thor-Hustler, whatever that is.  The Swedish press is calling Discoverer I "The Whispering Satellite" since they can barely hear it, if at all. 

I'm still unconvinced.  Something's fishy.  I just can't tell you exactly what.

See you on March 6 with a book review!



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Fool's Satellite (Discoverer 1; 3-02-1959)

Something went into orbit on the 28th.  Maybe.

Normally, I herald each new space launch with strident fanfare.  After all, when Vanguard or Explorer go up, it's big news and everybody knows about it.  But the Air Force's announced launch of "Discoverer" on February 28 has that same sort of strangeness and after-the-fact quality I've come to associate with Soviet Sputnik launches.

Let's back up.

Yesterday, the Air Force announced that it had launched "Discoverer" into polar orbit from its California launching facility, Vandenberg Air Force Base.  They said it was an engineering flight designed to test what will someday be a biological sample return mission (i.e. the Air Force will send up animals, retrieve them after several days in space, and study them to determine the effects of space on living things).  Apparently, this is the second time they have tried this; the first time was on January 26 of this year, but it was reportedly unsuccessful.

Here is where the story gets a bit dicey:

1) Why was Discoverer launched into a polar orbit?  Normally, space launches are done from Cape Canaveral in Florida.  Aided by the Earth's rotation, they go out on an Easterly course over the Atlantic.  This restricts their track to a narrow range of latitudes.  A satellite in a polar orbit eventually covers the entire Earth as the planet rotates underneath the track of the probe's flight, making it better suited for mapping and reconnaissance missions.

2) Why wouldn't strictly scientific missions be done under the auspices of NASA, as the Air Force did with the Pioneer moon shots?

3) If Discoverer made it into orbit, why have independent stations been unable to pick up its telemetry on their radios? 

4) What did they use to launch it?  A capsule-return spacecraft isn't a light vehicle, and neither the Thor-Able nor the Juno II are strong enough to send one into orbit.

Now, I don't want to be visited by the fellows in gray suits for my observational acumen, but putting two and two together, I'd conclude that Discoverer must be a prototype surveillance satellite.  If I really wanted to get far out with my speculations, I'd conclude that it's a fake surveillance satellite designed to gauge the reaction of the Eastern Bloc to having a spy probe overhead.

Apparently, the Communists don't care much.  Aside from one stern protest from an East German radio station (I know–all Commies are the same), the Warsaw Pact has been conspicuously silent about Discoverer.

Maybe they know it's a fake…



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Odds and Ends (April 1959 Fantasy & Science Fiction; 2-24-1959)

A bit of a grab bag today as I finish off the odds and ends before the new (diminishing) crop of magazines comes in. 

Firstly, the sad news regarding Vanguard II has been confirmed: the wobbly little beachball has got the orbitum tremens and is unable to focus its cameras on Mother Earth.  So much for our first weather satellite.

Secondly, the sad news regarding the April 1959 Fantasy & Science Fiction.  Yes, Poul Anderson does have a story in it.  The Martian Crown Jewels is a science fiction Sherlock Holmes pastiche.  As a mystery and as a story, it is fairly unremarkable.  Still, Doyle-philes may enjoy it.  As can be expected, both for the genre and for the author, the only women's names are to be found gracing ships, not characters.

There are a couple of oddball pieces in this issue.  One is a translated Anton Checkhov parody of a Jules Verne story called The Flying Islands.  Perhaps it's better in the original Russian. 

There is also a chapter of Aldous Huxley's new book, Brave New World Revisited, comparing the myriad of mind-altering substances available today to the simple and perfectly effective soma that appeared in the original Brave New World.  It is an interesting contrast of prediction versus reality.  It is also a great shopping list for some of us.

As I mentioned earlier, Damon Knight is out of an editorial job after just three issues at the helm of IF.  F&SF has found him a new place to hang his reviewer's hat–as the new writer for the magazine's book column.  Good news if you like damonknight.

Jane Roberts, an F&SF regular, contributes a two-page mood piece called Nightmare.  It's another two-minutes-to-midnight fright.

But the real gem of the latter portion of the magazine is Fred Pohl's To see another Mountain about a nonagenarian supergenius being treated for a mental illness… but is he really sick?  Interestingly, I never liked it when Pohl and Kornbluth teamed up, but Pohl by himself has been reliably excellent.  This story is no exception. 

Where does that leave us in the standings?  There isn't a bad piece in the bunch (the Anderson and Chekhov being the least remarkable).  Let's say "four", maybe "four-and-a-half" given the greatness of the lead story.

Two days to Asimov!



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Flowers for Algernon (April 1959 Fantasy & Science Fiction; 2-20-1959)

Wow.

The April 1959 Fantasy & Science Fiction opens with a bang.  The lead novella, Flowers for Algernon, is destined to go down as a classic, I'm sure. 

But first, a quick detour to Asimov's column for the week.  The old polymath (older than me–I don't turn 40 until tomorrow!) has been on a gloom kick lately.  First it was melting ice caps.  Now, he points out that the limiting factor to the density of life on Earth is the limited quantity of terrestrial phosphorous.  Sure, there are lots of chemicals that are vital to life, but phosphorous is the one with the greatest imbalance between its concentration in living things and its abundance in nature.

Basically, living things have used up all the phosphorous, and if we want any more, we have to get it from the dead.  In the ocean, this cycle is maintained by currents that scoop up dead creatures from the bottom and bring them to closer to the surface.  On land, however, our rivers pour thousands of tons of soil into the ocean every year, and it comes back much more slowly than it leaves.  COULD THIS SPELL DOOM FOR LIFE ON EARTH?

I suspect not.  I am willing to wager that there is a nice equilibriating mechanism that we just haven't discovered yet, much like the one that regulates the ocean's salinity, sadly for those who wished to use the ocean's salinity as a yardstick to determine the age of the Earth.

But back to Flowers.  Its writer is Daniel Keyes, who I know slightly from his work for Atlas Comics and as editor of the long defunct pulp, Marvel Science Stories.  It follows the life of high-functioning moron Charlie Gordon, who wishes to become smarter.  Diligent and good-natured, he is selected for a radical brain surgery that, if successful (as it had been for the eponymously named lab mouse, Algernon) will treble his I.Q.

The story is written in the style of a journal kept by Charlie.  We get to see him progress from a barely functional human being to the highest level of genius–and then back down again.  It turns out that the effect of the process lasts only a few weeks, barely enough time for Charlie to taste of brilliance before sinking to his former state.

What makes this novella is the writing.  Keyes really captures the phases of Charlie's transformation.  At first, Charlie is a simple person.  Not childlike, which would have been, perhaps, easier to pull off.  Just stupid, barely managing to write, and only after months of prior effort.  Charlie is then made a genius, and that is when childishness enters the style, because Charlie is really a newborn at that point.  He spends a lonely several weeks in virtual isolation, unable to communicate, as those he once found unspeakably brilliant become universally less gifted than he.  This part resonated with me, a fairly bright person (though by no means a genius).  I remember in 4th Grade, a teacher once chastised me saying, "you think you are so smart–how would you like it if everyone was as smart as you?"  I replied, earnestly, "I'd love it!  Then I'd have people to talk to!"

The poignancy of the story as Charlie declines and nearly dies is tear-jerking, but what really affected me was Charlie's condition at the end of the tale.  He may still have an I.Q. of 68, but now he has the memory of being a genius.  He is aware of his former place in society–a laughing-stock.  Now Charlie burns to accomplish something, to recover, by the dint of his own effort, even the barest fraction of what he has lost.

And thus, we're left with hard questions: Is it better to have been smart and lost it than never to have been smart at all?  Is ignorance bliss? 

What do you think?



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Vanguard does it again! (Vanguard II; 2-18-1959)

At long last, the Vanguard team has launched the satellite it had always wanted to.  Vanguard II soared into orbit atop its 3-stage launcher yesterday joining four other satellites (three American, one Soviet) around the Earth.  It is expected to orbit for the next 300 years.

The Navy and NASA have been trying for almost a year to duplicate their first success back in May 1958.  Vanguard I was ridiculed by Soviet Premier Khruschev as a "grapefruit."  Truth to tell, he wasn't far off.  The first Vanguard did little more than duplicate the work of Sputnik I.  On the other hand, the Vanguard project also entailed the building of Earth's first world-wide satellite tracking system as well as the development of the first purpose-built civilian booster.

Well, that booster finally got some good use this year.  Vanguard II is much bigger (beachball-sized) than its ancestor.  Moreover, the new satellite has been touted as the first "eye in the sky."  There are two photocells located at the tip of two optical telescopes mounted inside the probe.  Their mission for the next two weeks (the lifespan of their batteries) will be to detect reflections off of clouds in the Northern Hemisphere. 

If that doesn't sound exciting to you, how about if I tell you that this is the first step toward bonafide weather satellites?  Within a couple of years, we will have automated orbital observatories with a clear view of much of the globe at any given time.  They'll be able to spot hurricanes, cold fronts, jet streams.. you name it.  After a few years, they will accumulate enough data to revolutionize our climatology models and maybe even lead to large-scale weather control.  Aside from communications (pioneered in December with the launch of Project SCORE), weather is the prime commercial use for satellites.

Even more nifty is the tape recorder set-up they've got in Vanguard.  This allows the satellite to collect and store data for later transmission down to Earth.  As Space Age as this sounds, rumor has it that this sophisticated system is about to be superseded by an all new, digital development.  That will be an exciting story to break, when I can.

Another interesting tidbit, to me, is how the Vanguard team chose to moderate the temperature onboard the satellite.  There is no air in space, so all heat is received and transmitted away by radiation, and not by the more-efficient methods of conduction and convection, as on Earth.  Translation: it's hot in the sun and cold in the shadow, and there is no moderation by a surrounding medium.  It is important that the satellite not absorb too much heat or too little.  On the Pioneers, at least the first three, they had an alternating black and white paint scheme to address this problem. 

Vanguard, on the other hand, is coated with powdered silicon monooxide as insulation underneath the shiny aluminum picked for maximum visibility.  Inside, the satellite is gold-plated!  I assume this is to conduct heat to the silicon monoxide shell.  I wonder how much that cost. 

The only disappointment is that Vanguard II is tumbling as it spins like a wobbly top.  This is going to make interpreting the photoscanner data a challenge.  Still, it's an exciting first step.  The next few years are going to be incredible.

Back to fiction in two days.  Thanks for all the well-wishes!



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