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 Popular Question
Question with 1,000 views. This badge can be awarded multiple times.
Awarded 3165 times.
What was the temperature of the Apollo 11 moon landing zone?
Awarded 23 hours ago
What holds the Space Shuttle orbiter itself stable on the launch pad?
Awarded Oct 18 at 0:20
Problems with the “How to Design, Build and Test Small Liquid-Fuel Rocket Engines” text
Awarded Oct 17 at 15:15
How can astronauts on ISS deal with dental emergency?
Awarded Oct 16 at 19:15
What is the minimum pressure human body can live in, with head protected?
Awarded Oct 16 at 14:50
How much reentry speed did the Shuttles shed by doing a series of sharp turns?
Awarded Oct 16 at 14:25
instead of pressurizing an entire spacesuit with oxygen could oxygen just pressurize the head and the rest of the body be pressurized with water?
Awarded Oct 16 at 12:30
Is Jupiter bright enough to be seen in color by the naked eye from Jupiter orbit?
Awarded Oct 16 at 9:15
How are astronauts in the ISS protected from electric shock?
Awarded Oct 15 at 22:10
Given small computational resources how navigation was implemented ( Not Samples of old guidance software)
Awarded Oct 15 at 9:10
What (if any) replacement parts have been 3D printed on the ISS and then installed?
Awarded Oct 15 at 8:20
Can multiple space telescopes be grouped together to explore the space
Awarded Oct 15 at 2:15
If you throw a baseball from the space station, will it return to you in 90 minutes?
Awarded Oct 14 at 17:50
Why was Dragon sent to the isolation room?
Awarded Oct 14 at 17:15
SpaceX Starship landing on Moon or Mars: why doesn't it fall over?
Awarded Oct 14 at 16:30
How was the space shuttle fuelled?
Awarded Oct 14 at 13:15
What are the common space application adhesives used in Earth orbiting satellites?
Awarded Oct 14 at 13:15
What does 'Rocket is in self align' mean?
Awarded Oct 14 at 13:00
What is the process for allocating GEO slots to commercial satellites?
Awarded Oct 14 at 0:45
What are these objects near the Cosmonaut's faces?
Awarded Oct 13 at 12:50
What are the practical limitations of gravitational assists?
Awarded Oct 12 at 8:35
What is the farthest that a “human satellite” has been from their spacecraft?
Awarded Oct 11 at 21:00
How large a percentage of its fuel did the Space Shuttle use to get to orbit?
Awarded Oct 11 at 19:20
What happens when supercritical fuel tanks deplete below critical point?
Awarded Oct 10 at 17:30
How will the crew exit Starship when it lands on Mars?
Awarded Oct 9 at 22:35
Better way to get approximate ground track for a satellite using Skyfield?
Awarded Oct 9 at 15:10
Why would oxygen be stored as a super critical fluid?
Awarded Oct 8 at 12:20
What does “stirring tanks” mean?
Awarded Oct 8 at 12:10
What does the ISS look like by night?
Awarded Oct 8 at 1:00
Why did Crew Dragon switch to burst disks instead of multiple check valves?
Awarded Oct 7 at 14:30
Why doesn't all space debris burn up? [duplicate]
Awarded Oct 7 at 1:10
Transformation from Earth-centered inertial (ECI) to Geocentric (GEOC) satellite coordinates
Awarded Oct 6 at 22:35
Would an asteroid collision affect Moon's orbit, and what consequence would that have for Earth?
Awarded Oct 6 at 19:45
Is the Flyby Anomaly still a thing?
Awarded Oct 3 at 12:05
If something “falls off” the L2 or L1 point, where will it go?
Awarded Oct 3 at 2:25
Did Feynman cite a fallacy about only circles having the same width in all directions as a reason for the Challenger disaster?
Awarded Oct 2 at 22:45
Determine orbit type from TLE
Awarded Oct 2 at 22:45
How many communication antennas does a satellite need if it belongs to a constellation?
Awarded Oct 2 at 19:20
How could a spacecraft be continuously propelled if it rotates to simulate gravity (by tether)?
Awarded Oct 2 at 15:05
Why is it so hard to land on the Moon?
Awarded Oct 2 at 11:30
What happened to the Viking 2 Orbiter?
Awarded Oct 2 at 11:30
Is there such thing as plasma (from reentry) creating lift?
Awarded Oct 1 at 16:05
Is there a maximum ISp?
Awarded Oct 1 at 13:25
What kind of mission objective would make a parabolic escape trajectory desirable?
Awarded Sep 30 at 16:40
How could an induced magnetosphere be created at Mars for terraforming?
Awarded Sep 30 at 15:45
What is the maximum atmospheric pressure a human can tolerate? [duplicate]
Awarded Sep 29 at 21:35
Can/should you swim in zero G?
Awarded Sep 27 at 21:45
How do they conduct electrolysis in zero gravity?
Awarded Sep 27 at 18:40
Does it require less energy to reach the Sun from Pluto's orbit than from Earth's orbit?
Awarded Sep 26 at 12:55
Is there anything on the ISS that would be destroyed if that object were returned safetly to Earth?
Awarded Sep 26 at 10:35
How (and when) do astronauts suit up when leaving ISS?
Awarded Sep 26 at 2:35
Are there types of animals that can't make the trip to space? (physiologically)
Awarded Sep 25 at 17:30
Could cosmic rays be produced by alien propulsion systems?
Awarded Sep 23 at 3:30
What is the difference between an astronaut in the ISS and a freediver in perfect neutral buoyancy?
Awarded Sep 22 at 16:35
Why did Apollo spacecraft use both AC and DC equipment? Still used in present and future designs?
Awarded Sep 22 at 12:25
Gravity drag Delta-v calculation for launches to orbit
Awarded Sep 21 at 21:50
Why does this image of Jupiter look so strange?
Awarded Sep 21 at 6:30
Lunar astronauts and freezing temperatures
Awarded Sep 21 at 4:50
Could Apollo astronauts see city lights from the moon?
Awarded Sep 20 at 10:45
Is the mass of paint relevant in rocket design?
Awarded Sep 20 at 8:45
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