User uhoh

41

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22k

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

Jun 11 at 12:57 uhoh 119k

16

106

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6

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

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Jun 9 '19 at 1:27 Community♦ 1

27

80

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7

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

orbital-mechanics crewed-spaceflight uncrewed-spaceflight kerbal-space-program education

Dec 31 '17 at 17:51 Community♦ 1

13

79

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12k

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

mars crewed-spaceflight apollo-program

Jun 21 '18 at 14:43 M.A. Golding 31

24

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

launch rockets payload escape-velocity performance

Feb 5 at 17:43 Suma 244

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60

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11k

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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

8

55

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3

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21k

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

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Sep 21 '18 at 14:39 Community♦ 1

8

54

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3

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7k

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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?

nasa atmosphere earth-observation weather

Jan 14 at 23:03 mjr 103

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54

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3

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10k

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collision-avoidance skyfield satellite-constellation

Dec 14 '16 at 17:24 Community♦ 1

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53

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4

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15k

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

launch-site russia identify-this-object baikonur-cosmodrome

Jun 26 '18 at 12:23 Community♦ 1

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47

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8

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12k

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

artificial-satellite engineering orbital-lifetime space-art

Nov 28 at 9:54 uhoh 119k

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47

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11k

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

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Jun 9 at 8:28 uhoh 119k

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45

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10

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Have spacecraft photographed each other beyond Earth orbit?

deep-space photography

Jan 23 '20 at 9:37 CallMeTom 2,179

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43

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4

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9k

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How often is duct tape used during crewed space missions?

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7

43

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2

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

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42

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3

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9k

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

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Apr 9 '19 at 16:32 Community♦ 1

4

40

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11k

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

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40

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1

answer

8k

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

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Jun 14 '18 at 8:44 Community♦ 1

37

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What kind of orbit makes this wave shaped ground track?

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

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

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

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

photography earth-observation

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Why does this image of Jupiter look so strange?

jupiter juno

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2,145 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?

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

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

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?

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

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?

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?

Have spacecraft photographed each other beyond Earth orbit?

How often is duct tape used during crewed space missions?

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

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

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?

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?

Why does this image of Jupiter look so strange?

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