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Space Exploration

Guru

 Guru
Accepted answer and score of 40 or more. This badge can be awarded multiple times.
Awarded 469 times.
Why has the ISS not been left unmanned?
Awarded Oct 30 at 8:53
How close can I get to a rocket launch and not get killed?
Awarded Oct 20 at 15:10
Would replacing a damaged tank have prevented the Apollo 13 incident?
Awarded Aug 13 at 8:37
Are NASA computers really that powerful?
Awarded Aug 12 at 10:42
How Does Code Reuse Work at NASA
Awarded Jul 31 at 16:54
Why did they put the Webb at L2 instead of giving it its own solar orbit independent of Earth?
Awarded May 20 at 7:40
Why did Saturn V not head straight to the moon?
Awarded May 19 at 15:17
Why do US astronauts sometimes still launch on Russian Soyuz rockets when they have their own transportation to the ISS now via SpaceX?
Awarded Apr 10 at 6:41
Why does Starship launch on a cloud?
Awarded Mar 20 at 20:12
What is the total mass sent into orbit over all history?
Awarded Mar 14 at 14:40
Why are lunar landers having so much difficulty when Surveyor apparently did not?
Awarded Mar 11 at 13:42
What does the ISS have different that it shields astronauts from cosmic radiation but a rocket to Mars have problems with that?
Awarded Feb 13 at 15:35
How was it possible for the Apollo 11 to film and take pictures with such radiation?
Awarded Jan 18 at 18:10
Why did Saturn V have fins?
Awarded Jan 15 at 21:16
Is it impossible to launch a rocket from Venus’ surface to space?
Awarded Jan 14 at 23:42
Why are the walls of a spacecraft usually so thin?
Awarded Dec 17, 2024 at 18:17
Why don't we send a rover to a pole of Mercury?
Awarded Dec 13, 2024 at 6:21
Is outer space Radioactive?
Awarded Dec 12, 2024 at 17:06
Why didn't the Galileo probe take pictures as it descended into Jupiter's clouds, really?
Awarded Nov 20, 2024 at 12:45
Am I actually escaping Earth?
Awarded Nov 1, 2024 at 21:40
Why not send a Mars rover to Titan?
Awarded Oct 9, 2024 at 10:26
If Voyager is still an active NASA spacecraft, does it have a flight director? Is that a part time job?
Awarded Sep 29, 2024 at 21:14
Why Doesn't the cooling system on a rocket engine burn the fuel?
Awarded Sep 21, 2024 at 4:12
Laundry on the ISS
Awarded Sep 9, 2024 at 0:21
Has any spacecraft ever been severely damaged by a micrometeorite?
Awarded Aug 22, 2024 at 22:48
Did anyone ever ask Neil Armstrong whether he said "for man" or "for a man?"
Awarded Aug 22, 2024 at 15:11
What if something goes wrong during the seven minutes of terror?
Awarded Aug 21, 2024 at 17:06
Do space stations have anything that big spacecraft (such as the Space Shuttle and SpaceX Starship) don't have?
Awarded Aug 15, 2024 at 20:33
Function of the separated, individual solar cells on Telstar 1 and 2? Why were they "special"?
Awarded Jul 22, 2024 at 12:45
Why did SpaceX choose to use Hydrazine over newer "green" propellants for Dragon 2?
Awarded Jul 14, 2024 at 6:27
What is the goal of the message “astronaut use only” written on one Hubble's module?
Awarded Jun 18, 2024 at 9:51
What were the differences between the STS Orbiters?
Awarded May 13, 2024 at 11:58
Why is the aperture door of the Hubble Space Telescope so weirdly shaped?
Awarded May 9, 2024 at 8:56
What is the provenance of this photo of the Great Lakes from space?
Awarded Apr 21, 2024 at 11:35
What is SpaceX doing differently with their Falcon 9 so that it doesn't cost as much as the Space Shuttle?
Awarded Apr 11, 2024 at 15:05
Why do scientists use specialized units for distance when metric units are perfectly adequate?
Awarded Apr 8, 2024 at 17:41
Why keep expending SpaceX boosters?
Awarded Mar 28, 2024 at 17:57
Challenger Shuttle: could the crew have survived?
Awarded Feb 15, 2024 at 0:26
Why not use containers to clean up small space debris?
Awarded Feb 13, 2024 at 8:15
Why are orbits around a black hole not elliptic?
Awarded Feb 12, 2024 at 18:45
Why did Voyager 2 receive a gravitational slowdown (as opposed to a slingshot) at Neptune?
Awarded Jan 17, 2024 at 17:48
Why are Falcon 9 main engines throttled down and up shortly after launch?
Awarded Oct 2, 2023 at 1:49
Why do we need to make probes land on other planets or moons?
Awarded Aug 25, 2023 at 21:05
Why did Apollo 13 not use the electronics waste heat to raise the Lunar Module cabin temperature?
Awarded Jun 9, 2023 at 0:34
What is that black thing in center of every star in this JWST image?
Awarded Jun 2, 2023 at 21:16
Could the Moon keep an atmosphere?
Awarded May 24, 2023 at 16:45
Did Apollo astronauts spend any time on the lunar surface during lunar night?
Awarded May 18, 2023 at 15:45
Is there someone continually monitoring the Voyager spacecraft?
Awarded May 5, 2023 at 9:36
Wouldn't it make sense to use parachutes for aborting test flights rather than destroying the whole rocket?
Awarded Apr 28, 2023 at 22:26
How much technical information is given to astronauts on a spaceflight? How much of it is left to the control center?
Awarded Apr 4, 2023 at 19:40
What makes aluminum aerospace grade?
Awarded Mar 5, 2023 at 22:56
Would the Space Shuttle have been able to carry the Hubble Space Telescope back to Earth had it been necessary?
Awarded Feb 15, 2023 at 16:25
Do astronauts use plumber's bifocals?
Awarded Feb 8, 2023 at 7:18
What does 'Switch SCE to AUX' mean?
Awarded Feb 6, 2023 at 20:19
What is SpaceX doing differently with Starship to avoid it exploding like the N1?
Awarded Jan 26, 2023 at 0:31
Why did the Soviet Union decide to use 30 small engines instead of a few large ones on the N1?
Awarded Jan 24, 2023 at 13:06
How can I intuitively understand gravity assists?
Awarded Dec 30, 2022 at 9:10
Did the crew lock themselves inside the LM on Apollo 13?
Awarded Dec 22, 2022 at 19:33
Why are unused launch abort rockets jettisoned rather than used to augment thrust?
Awarded Nov 27, 2022 at 16:47
Why are eclipses of the James Webb by the Earth or Moon not permitted during the mission?
Awarded Nov 27, 2022 at 16:41
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