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30 Questions

Views Newest Activity Votes

votes

answers

348

views

Which side of Europa is which?

Apr 9 at 20:36 foobarbecue 731

votes

answer

180

views

How did NASA refer to dates and times of a mission in the 1970s?

nasa history time

Jun 18 '16 at 2:33 Russell Borogove 112k

votes

answer

views

How quickly could we detect a change in a mascon?

gravity mapping

Jun 17 '16 at 21:09 aramis 10.8k

votes

answer

659

views

How much resolution did gravitational maps of Earth have before GRACE?

gravity history earth-observation mapping

Nov 26 '16 at 20:04 jknicely 1

votes

answer

views

Earliest gravitational map of a planet/moon?

gravity history measurement geology mapping

Jun 9 '16 at 0:37 David Hammen 36.6k

votes

answer

195

views

Threefold-symmetry in non-landing spacecraft?

design

Apr 23 '16 at 0:55 Organic Marble 90.1k

votes

answers

280

views

Would astronauts need a heat shield to land on Titan from orbital speeds?

spacecraft reentry heat-shield titan

Apr 4 '16 at 20:21 Community♦ 1

votes

answer

146

views

When did we stop getting transmissions from Huygens?

cassini

Mar 25 '16 at 0:00 Russell Borogove 112k

votes

answer

181

views

First sounding rocket to reach the mesosphere?

atmosphere history sounding-rocket

Mar 30 '16 at 2:09 Jerard Puckett 6,871

votes

answer

142

views

What exactly did the Outer Planets Panel say in their recommendation for outer planets missions?

nasa history

Apr 29 '16 at 2:05 Community♦ 1

votes

answers

596

views

Which heavenly bodies have stuff to make rocket fuel?

fuel isru

Aug 7 at 19:58 deadman1204 1

votes

answers

views

Is there any evidence that NASA was worried about deep lunar dust?

the-moon nasa history dust regolith

Aug 22 at 0:22 Thomas 1

votes

answer

224

views

What are these devices? [closed]

history

May 5 '15 at 20:13 geoffc 64.7k

votes

answers

views

Do you need a heat shield to enter the atmosphere from non-orbital speeds?

reentry sub-orbital

Feb 21 '15 at 21:10 Community♦ 1

votes

answer

26k

views

Why does the ascent stage of Apollo 11's lunar module look like it's made of paper?

crewed-spaceflight apollo-program spacecraft myth-busting apollo-11

Jun 25 '18 at 16:00 Russell Borogove 112k

votes

answers

924

views

Were there significant instances of cooperation during the Space Race?

nasa space-race soviet-union

Jul 22 at 9:50 Oscar Lanzi 2,530

votes

answers

260

views

What are non-rocket-based reaction mass drives called?

propulsion terminology

Nov 7 '14 at 1:34 Joe 3,720

votes

answers

views

Why would orbital fuel depots make sense?

fuel-depots

Nov 5 '14 at 19:00 Mark Adler 52.7k

votes

answer

views

Espionage in the Space Race

space-race

Oct 28 '14 at 3:50 David Ratti 1,278

votes

answer

794

views

How did they test early spacesuits in a vacuum?

history spacesuits

Mar 20 '15 at 7:30 Community♦ 1

votes

answers

views

Text of John Houbolt's letter proposing Lunar Orbit Rendezvous for Apollo?

apollo-program nasa history

Aug 15 '18 at 1:14 Ian 211

votes

answer

326

views

How seriously did astronomers take the idea of a hollow Phobos?

mars history planetary-science myth-busting moons

Oct 6 '13 at 13:20 PearsonArtPhoto♦ 94.8k

votes

answer

233

views

Why would we ever build a base on the surface of a planet?

space-station

Sep 27 '13 at 4:36 TildalWave 69.7k

votes

answers

views

What kind of engine uses water as a propellant?

propulsion water

Sep 22 '13 at 20:08 PearsonArtPhoto♦ 94.8k

votes

answers

views

Did NASA ever use astronomical symbols for planets?

terminology

Mar 9 at 23:02 Glorfindel 267

votes

answers

views

Does the radiation danger in interplanetary space decrease the further you get from the sun?

radiation solar-system cosmic-radiation interstellar-medium

Sep 8 '13 at 7:30 Community♦ 1

votes

answers

views

Could a ship take off from Earth using ion thrusters?

launch propulsion

Aug 23 '13 at 12:23 Community♦ 1

votes

answers

21k

views

How to calculate delta-v required for a planet-to-planet Hohmann transfer?

orbital-mechanics orbital-maneuver interplanetary

May 18 '17 at 20:50 PHChilly 316

votes

answer

views

Did NASA use metric units for the Mercury missions?

nasa history terminology project-mercury crewed-spaceflight

Mar 18 '16 at 21:31 Community♦ 1

votes

answers

views

Why did Apollo 11 need someone to stay behind in lunar orbit?

apollo-program

Sep 23 '16 at 12:29 Innovine 2,570

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30 Questions

Which side of Europa is which?

How did NASA refer to dates and times of a mission in the 1970s?

How quickly could we detect a change in a mascon?

How much resolution did gravitational maps of Earth have before GRACE?

Earliest gravitational map of a planet/moon?

Threefold-symmetry in non-landing spacecraft?

Would astronauts need a heat shield to land on Titan from orbital speeds?

When did we stop getting transmissions from Huygens?

First sounding rocket to reach the mesosphere?

What exactly did the Outer Planets Panel say in their recommendation for outer planets missions?

Which heavenly bodies have stuff to make rocket fuel?

Is there any evidence that NASA was worried about deep lunar dust?

What are these devices? [closed]

Do you need a heat shield to enter the atmosphere from non-orbital speeds?

Why does the ascent stage of Apollo 11's lunar module look like it's made of paper?

Were there significant instances of cooperation during the Space Race?

What are non-rocket-based reaction mass drives called?

Why would orbital fuel depots make sense?

Espionage in the Space Race

How did they test early spacesuits in a vacuum?

Text of John Houbolt's letter proposing Lunar Orbit Rendezvous for Apollo?

How seriously did astronomers take the idea of a hollow Phobos?

Why would we ever build a base on the surface of a planet?

What kind of engine uses water as a propellant?

Did NASA ever use astronomical symbols for planets?

Does the radiation danger in interplanetary space decrease the further you get from the sun?

Could a ship take off from Earth using ion thrusters?

How to calculate delta-v required for a planet-to-planet Hohmann transfer?

Did NASA use metric units for the Mercury missions?

Why did Apollo 11 need someone to stay behind in lunar orbit?