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 Popular Question
Question with 1,000 views. This badge can be awarded multiple times.
Awarded 2913 times.
What “fuel more powerful than anything the West (had) in stock” put Laika in orbit aboard Sputnik 2?
Awarded 7 hours ago
Was all the fuel expended in each stage of a Saturn V launch?
Awarded 10 hours ago
How were these NASA engineers able to take men to the moon and bring them back with this limited computing capability?
Awarded yesterday
Why does NASA Horizons say that Earth inclination is not 0 at J2000 epoch?
Awarded yesterday
Could the crash sites of the Apollo 11 and 16 LMs be seen by the LRO?
Awarded yesterday
Did the Shuttle's rudder or elevons operate when flown on its carrier 747?
Awarded yesterday
Do astronauts aboard ISS always follow orders?
Awarded yesterday
Is SpaceX propulsively deorbiting a Starlink satellite already?
Awarded yesterday
Are lithium batteries allowed in the International Space Station?
Awarded 2 days ago
Which Earth time zone most closely matches the ISS astronauts' daily schedule? [duplicate]
Awarded Jul 12 at 4:30
Temperature and pressure of rocket exhaust
Awarded Jul 11 at 12:15
Why isn't there research to build a standard lunar, or Martian mobility platform?
Awarded Jul 10 at 21:05
Was the Apollo sextant used (or tested) to determine position while in Earth orbit?
Awarded Jul 10 at 19:50
Has anyone in space seen or photographed a simple laser pointer from Earth?
Awarded Jul 10 at 8:40
How can Sun-Jupiter Lagrangian points be used by flyby probes?
Awarded Jul 10 at 7:00
What is the smallest object that would survive a reentry from LEO? What would it be made of?
Awarded Jul 9 at 19:20
What is this debris on the CRS-10 reentry at T6:30?
Awarded Jul 9 at 19:05
Were Apollo astronauts charged for their berths during their missions?
Awarded Jul 9 at 10:00
What is a “Lear Processor” and how did it work?
Awarded Jul 9 at 7:50
Is this really the Saturn V computer only, or are there other systems here as well?
Awarded Jul 8 at 16:00
Apollo 11 mission report shows velocity well below escape velocity thousands of km on the way to the Moon
Awarded Jul 8 at 15:30
Why is the ladder of the LM always in the dark side of the LM?
Awarded Jul 8 at 11:20
In what ways did the Soviet Union “observe the Apollo Moon landings closely”?
Awarded Jul 8 at 10:35
How was the Shuttle loaded and unloaded from its carrier aircraft?
Awarded Jul 8 at 9:50
Obtain archived TLE data
Awarded Jul 5 at 21:05
What was the nature of the known bugs in the Space Shuttle software?
Awarded Jul 5 at 13:20
Why weren't Gemini capsules given names?
Awarded Jul 3 at 17:20
Why no parachutes in the Orion AA2 abort test?
Awarded Jul 3 at 17:05
Could space probe Voyager 1 or 2 reach Alpha Centauri?
Awarded Jul 3 at 15:20
Maximum velocity achieved by solar sail
Awarded Jul 2 at 15:10
Is it possible that Curiosity Rover measured its own methane or failed doing the spectrometry?
Awarded Jul 2 at 2:20
What kind of engine does this Isp = 1600 refer to? Is it cubesat-friendly?
Awarded Jul 1 at 17:05
Did the Shuttle payload bay have illumination?
Awarded Jul 1 at 16:30
How to calculate the planets and moons beyond Newtons's gravitational force?
Awarded Jul 1 at 15:20
How did sloshing prevent the Apollo Service Module from moving safely away from the Command Module and how was this fixed?
Awarded Jul 1 at 14:35
What happened to the Apollo 1 rocket?
Awarded Jul 1 at 8:00
How far from launchpad did Falcon 9's first stage go?
Awarded Jun 30 at 21:10
How are military satellites with (apparently) classified TLEs still showing up on sat map websites?
Awarded Jun 30 at 20:50
Lunar Free Return Trajectory Simulation
Awarded Jun 30 at 8:00
Shuttle-C: Did we make the right move?
Awarded Jun 30 at 5:30
How was temperature and humidity maintained inside the Apollo mission capsules?
Awarded Jun 29 at 20:15
What caused John Glenn to see what he described as “fireflies”?
Awarded Jun 29 at 13:20
Who has built the largest number of Transport/Erector/Launch (TEL)?
Awarded Jun 28 at 15:20
Why doesn't SpaceX land boosters in Africa?
Awarded Jun 28 at 8:40
How can gimbal lock occur with three perpendicular reaction wheels?
Awarded Jun 28 at 6:10
Does turbulence make sky cities infeasible on Venus?
Awarded Jun 27 at 22:05
How strong and “hot” is the wind on the payload after the fairing is deployed at ~110km?
Awarded Jun 27 at 11:45
How could a satellite follow earth around the sun while staying outside of earth's orbit?
Awarded Jun 27 at 11:40
Reusable spacecraft: why still have fairings detach, instead of open/close?
Awarded Jun 27 at 10:30
The Russians recently tested a new launch trajectory that goes to the space station in about six hours. What allowed for the difference?
Awarded Jun 27 at 8:20
Why did NASA wet the road in front of the Space Shuttle crawler?
Awarded Jun 26 at 13:45
Do launching rockets produce a sonic boom?
Awarded Jun 26 at 7:55
Stripe of high def imagery on Google Moon
Awarded Jun 25 at 13:35
Do space suits measure “methane” levels or other biological gases?
Awarded Jun 24 at 21:50
Was “I have the farts, again” broadcast from the Moon to the whole world?
Awarded Jun 24 at 5:25
Is this the golf ball that Alan Shepard hit on the Moon?
Awarded Jun 24 at 1:30
Why does Juno use “mixed oxides of nitrogen” oxidizer for propulsion? Which ones?
Awarded Jun 22 at 9:55
Are there any vegetarian astronauts?
Awarded Jun 21 at 21:10
Why was Space Shuttle Atlantis selected for Mir docking so frequently?
Awarded Jun 21 at 16:10
Why are some rockets orange?
Awarded Jun 20 at 13:45
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