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40

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3

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How did the Apollo computers evaluate transcendental functions like sine, arctangent, log?

Jun 11 '20 at 12:57 uhoh 130k

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82

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Dec 31 '17 at 17:51 Community♦ 1

25

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Apr 6 at 8:30 WilliamL 3

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Mar 14 at 20:35 Anonymous 101

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68

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Why did it take so long to notice that the ozone layer had holes in it? Which satellite provided the data?

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May 12 at 23:31 uhoh 130k

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Which Apollo “mystery” was said to be finally solved by a better rendering engine?

the-moon apollo-program imaging photography

Feb 15 '17 at 12:51 Federico 960

4

59

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6

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11k

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When was Newton “not good enough” for spaceflight; first use and first absolute requirement for relativistic corrections?

orbital-mechanics history physics

Dec 11 '19 at 1:03 Eric Baird 86

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55

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Sep 21 '18 at 14:39 Community♦ 1

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54

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37

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2,302 Questions

How did the Apollo computers evaluate transcendental functions like sine, arctangent, log?

What makes Ada the language of choice for the ISS's safety-critical systems?

What can the KSP game actually teach about spaceflight and orbital mechanics, and what are its limitations?

How much bigger could Earth be, before rockets wouldn't work?

Could “peak Apollo levels” of support have gotten NASA astronauts to Mars in the 1980's?

Why did it take so long to notice that the ozone layer had holes in it? Which satellite provided the data?

Which Apollo “mystery” was said to be finally solved by a better rendering engine?

When was Newton “not good enough” for spaceflight; first use and first absolute requirement for relativistic corrections?

This image of the Space Shuttle is truly beautiful, but is it real?

Is 75 meters an exceptionally close distance for two satellites to pass at >6,000 m/s?

“Pillars of Baikonur” What is the purpose of the hundreds of short, white posts near the Baikonur Cosmodrome launch pad?

How often is duct tape used during crewed space missions?

What would be the (most difficult) challenge to make a 10,000 year satellite?

What caused this bright light from the ground at night seen from the ISS?

What is GPS' 19 year rollover and does it present a cybersecurity issue?

Have spacecraft photographed each other beyond Earth orbit?

What's the baseball bat for? (seen in CRS-8 berthing NASA TV broadcast)

Why does this researcher have a “clear plastic bag” over their head?

What was NASA's “Hack” to improve Opportunity's memory in 2015? Did it help?

What kind of orbit makes this wave shaped ground track?

Why does this rocket have a nose cone “cozy”?

How did the X-15 control attitude above the Kármán line?

Why does the Minotaur I wear a yellow jacket that “banana-peels” off as it launches?

Why were the SpaceX Crew-1 astronauts backed up by guards with automatic weapons?

Did Sputnik 1 tell us more than “beep”? What science was improved by information gained from its orbiting the Earth?

Why is there a large wooden ball on Mariner 3's magnetometer?

India just shot down a satellite from the ground. At what altitude range is the resulting debris field?

How do ISS astronauts “get their stripes”?

SpaceX and propulsive landing on Mars — what just happened? (and why?)

Has anyone in space seen or photographed a simple laser pointer from Earth?