Space Exploration

Popular Question

 Popular Question
Question with 1,000 views. This badge can be awarded multiple times.
Awarded 4769 times.
What is the "space grease" used to lubricate the ISS robotic arm? What are the material considerations for it?
Awarded 8 hours ago
How do satellite motors keep themselves cool and lubricated?
Awarded 21 hours ago
What formulas do I use to calculate the gravity and drag forces on an object ascending from Earth's surface?
Awarded yesterday
Why are unused launch abort rockets jettisoned rather than used to augment thrust?
Awarded 2 days ago
JWST - Why unfurl before reaching L2?
Awarded 2 days ago
What determines the orbital speed around a massless Lagrangian point?
Awarded Jan 21 at 15:26
Why do we use Chebyshev polynomials to predict positions of solar system bodies?
Awarded Jan 21 at 10:05
Could Chuck Yeager ever have qualified as an astronaut?
Awarded Jan 20 at 15:37
Are they already planning a successor to the JWST?
Awarded Jan 20 at 4:42
Deriving specific impulse from exhaust velocities? [duplicate]
Awarded Jan 20 at 4:15
Determine the eccentricity of the orbit
Awarded Jan 19 at 20:51
What is this South Korean rocket and why does it have separate yellow and blue exhaust plumes?
Awarded Jan 19 at 14:18
Habitable rocky exoplanet with radius 2 times of Earth but similar surface gravity
Awarded Jan 19 at 12:52
Will we all be in voluntary ketosis on Mars?
Awarded Jan 18 at 17:50
Why was it necessary to monitor the water quantity in the space shuttle?
Awarded Jan 18 at 13:50
Why is this Planet Labs video wobbly?
Awarded Jan 18 at 11:06
Can image-stacking allow this 0.25 m satellite telescope achieve 0.65m resolution?
Awarded Jan 18 at 9:26
Is it possible to use a linear particle accelerator in deep space as propulsion?
Awarded Jan 18 at 6:25
Could fuel cells of the Space Shuttles have been restarted in the case of a total power failure?
Awarded Jan 17 at 15:56
Why are the JWST A3 and A6 position sensors different from all the others?
Awarded Jan 17 at 7:05
How to determine rocket launch path for photography?
Awarded Jan 15 at 12:11
What is the procedure when a spacesuit gets a tear in it? [duplicate]
Awarded Jan 15 at 5:11
Where in the solar system can a person safely get enough sun to make vitamin D?
Awarded Jan 14 at 13:57
If one Starship can transport 100 people to Mars, how many could it safely land near Mercury's north pole after one Hohmann-like transfer?
Awarded Jan 14 at 13:36
James Webb orbit insertion
Awarded Jan 13 at 6:40
Why is L2 Langrangian point stable?
Awarded Jan 12 at 17:17
What are the benefits of supersynchronous transfer orbits?
Awarded Jan 11 at 21:26
Could Earth-lunar flybys be repeated consecutively without the use of propellant?
Awarded Jan 11 at 19:06
How did they test early spacesuits in a vacuum?
Awarded Jan 11 at 18:57
Is there any point in space that the James Webb Space Telescope would be unable to image?
Awarded Jan 11 at 10:31
Satellite Velocities: Relative or Absolute?
Awarded Jan 11 at 3:04
To what extent could JWST continue to be useful after the propellant runs out?
Awarded Jan 10 at 18:03
What is the equation that relates delta v of a rocket to time taken to complete an orbit?
Awarded Jan 10 at 16:26
RTOS vs Linux against single event upsets
Awarded Jan 10 at 12:48
The design of the halo orbit of the James Webb Space Telescope
Awarded Jan 10 at 9:05
Is L2 at a distance where the Earth totally eclipses the Sun?
Awarded Jan 9 at 0:25
How often do reaction wheels require desaturation, normally?
Awarded Jan 8 at 22:06
Would a sufficiently deep cavern on Mars provide habitable temperature and atmospheric pressure? Was Dick Tracy wrong?
Awarded Jan 7 at 21:32
Docking in space
Awarded Jan 7 at 18:41
Why did a solar eclipse of the sun as seen from Apollo 11 appear to have an elliptical corona?
Awarded Jan 7 at 1:08
Details on the single points of failure in the JWST?
Awarded Jan 4 at 19:41
What were the highest quality photos and knowledge of Uranus and Neptune before Voyager?
Awarded Jan 4 at 16:02
Elon Musk's ITS Travel Time to Mars Estimate
Awarded Jan 4 at 14:27
Are large halo orbits around L₁'s and L₂'s preferred over small orbits for reasons other than geometry?
Awarded Jan 3 at 21:51
What form of government would there be in space colonies? [closed]
Awarded Jan 3 at 10:56
By when can we pass by Voyager 1?
Awarded Jan 2 at 15:20
Why does the Dawn spacecraft have three ion engines at different angles?
Awarded Jan 1 at 23:10
Velocity of a rocket needed to get to Mars
Awarded Dec 31 '21 at 19:05
Can James Webb take pictures of our solar system? In what ways will they differ from/compliment those from Hubble?
Awarded Dec 30 '21 at 23:18
Was Columbia’s CVR ever found?
Awarded Dec 30 '21 at 20:56
How far will Curiosty be removed from Perseverance?
Awarded Dec 30 '21 at 17:03
What does the interior of a spacesuit smell like?
Awarded Dec 30 '21 at 6:05
Why is the James Webb Space Telescope temperature not shown?
Awarded Dec 29 '21 at 14:26
Why is the speed of James Webb Space Telescope decreasing?
Awarded Dec 28 '21 at 20:56
Why is JWST parked in sunlight, rather than using a nuclear battery?
Awarded Dec 28 '21 at 14:42
Why did the JWST solar array deploy early?
Awarded Dec 28 '21 at 0:27
Is there a theoretical limit to the size of launch vehicles?
Awarded Dec 27 '21 at 23:45
How are the velocity and range of a spacecraft measured from ground based stations?
Awarded Dec 27 '21 at 22:51
How important is plume impingement in rendezvous operations?
Awarded Dec 27 '21 at 5:12
How much of the sky can the JWST see?
Awarded Dec 27 '21 at 2:51
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