Space Exploration

Popular Question

 Popular Question
Question with 1,000 views. This badge can be awarded multiple times.
Awarded 5900 times.
Could SpaceX ever make a Heavy version of Starship Super Heavy
Awarded 1 hour ago
Do any rocket engines besides the F1 need/require baffles?
Awarded 12 hours ago
Highest Isp achieved with nitrous oxide as oxidizer
Awarded 15 hours ago
What is the provenance of this photo of the Great Lakes from space?
Awarded yesterday
Determine Yaw, Pitch, Roll from two vectors
Awarded yesterday
why dose reentry speed need to be so fast [duplicate]
Awarded yesterday
Will Roadster ever encounter Mars?
Awarded yesterday
How does it feel to breathe 100% oxygen at low pressure?
Awarded Apr 13 at 23:18
How far is Cape Canaveral Air Force Station from Kennedy Space Center, administratively and programmatically-wise?
Awarded Apr 11 at 22:32
What is SpaceX doing differently with their Falcon 9 so that it doesn't cost as much as the Space Shuttle?
Awarded Apr 10 at 7:50
What are the parameters of the Voyager high-gain antenna?
Awarded Apr 9 at 18:47
What barge route did the Saturn S-II take from California to Florida?
Awarded Apr 9 at 16:27
Why does NASA use higher frequencies even though they have worse Free Space Path Loss (FSPL)?
Awarded Apr 9 at 11:26
How is gyroless operation possible?
Awarded Apr 9 at 3:10
Is there a G-force curve estimated for a SLS launch?
Awarded Apr 8 at 9:00
Why do scientists use specialized units for distance when metric units are perfectly adequate?
Awarded Apr 8 at 6:41
Electrical Propulsion Thrust
Awarded Apr 7 at 13:17
Multiple solutions to Lambert's problem
Awarded Apr 6 at 19:09
Revisit time estimation for a SAR constellation
Awarded Apr 5 at 13:36
How does LOX-lead startup prevent hard starts?
Awarded Apr 4 at 23:47
How likely will the James Webb Telescope encounter debris trapped at L2?
Awarded Apr 4 at 14:55
Have astronauts ever used the helmet-to-helmet technique to talk to one another in vacuum?
Awarded Apr 3 at 13:26
Why is there no difference between a transfer orbit delta-V and a capture orbit delta-V for Earth?
Awarded Apr 2 at 19:51
What is the average solar irradiation in low earth orbit?
Awarded Apr 2 at 12:42
Is the entire skin of a launch vehicle its electrical reference?
Awarded Apr 2 at 11:04
GMAT - Locating inter-spacecraft contact instead of spacecraft to ground station
Awarded Mar 28 at 3:05
How do you find the propellant mass needed to reach an specified altitude? (altitude at end of burn plus altitude during coast)
Awarded Mar 28 at 1:21
What would be the dangers of matter/antimatter annihilation propulsion, and what can be done about them?
Awarded Mar 27 at 20:27
TLE/SGP4 state vector accuracy assessment
Awarded Mar 26 at 20:12
How much will NASA save by shutting down the Chandra X-Ray Observatory?
Awarded Mar 26 at 19:57
Has a mockup/analysis of the Ingenuity 'bad landing' been created/posted?
Awarded Mar 26 at 10:11
What was the average temperature of space near the Spitzer Satellite Telescope?
Awarded Mar 26 at 2:26
What is the maximum acceptable latency in rocket control computers?
Awarded Mar 21 at 22:52
How to generate Chebyshev coefficients to produce an ephemeris file?
Awarded Mar 21 at 19:08
How can I verify my reconstructed gravity field of Ceres from spherical harmonics?
Awarded Mar 21 at 6:47
How much delta v does it take to get to the Sun-Earth Lagrange 3 point?
Awarded Mar 20 at 20:18
Why are nitric acid and hydrogen combinations not used as rocket fuel?
Awarded Mar 20 at 19:21
Is there an archive of photos shot by astronauts on the ISS?
Awarded Mar 19 at 21:27
Falcon 9 Merlin 1d thrust calculated through every moment of flight
Awarded Mar 19 at 15:50
How did the Lunar module reached orbit speed?
Awarded Mar 19 at 14:50
The Shape of a Rocket
Awarded Mar 18 at 12:12
Starship IFT-3: Plasma appears, then disappears
Awarded Mar 18 at 10:06
Has any vehicle prior to Starship's IFT3 "taken a selfie" during reentry?
Awarded Mar 18 at 9:04
Have we considered sending people on no-return missions?
Awarded Mar 18 at 4:36
Use of Starship Fuel Tanks in a Space Station
Awarded Mar 18 at 0:27
What is wrong with this burn time calculation?
Awarded Mar 17 at 21:52
What is the debris that occasionally flew off Starship during its coasting phase today?
Awarded Mar 16 at 23:26
How far can SETI's ear listen?
Awarded Mar 13 at 10:15
Is Landsat-7's propellant resupply port "robot-ready"? (Restore-L mission)
Awarded Mar 11 at 17:25
How would the state vector be updated in the Apollo Guidance Computer during coasting to/from the moon if communication with Earth was lost entirely?
Awarded Mar 9 at 12:16
How a continuous thrust orbit transfer can be compared with Hohmann transfer?
Awarded Mar 5 at 4:57
Is there any video footage of a full reentry?
Awarded Mar 4 at 13:30
Why not use Halley's Comet as a probe?
Awarded Mar 4 at 10:57
How are different spaceports restrained in terms of orbits reachable?
Awarded Mar 4 at 1:35
Could Apollo have survived the lander toppling over?
Awarded Mar 3 at 20:06
What is the lowest-inclination orbit ever achieved by a US crewed spacecraft?
Awarded Mar 1 at 12:45
Could Soyuz spacecraft have saved the Columbia crew?
Awarded Feb 29 at 8:48
Does it economically cost the same to launch a satellite into LEO and GTO?
Awarded Feb 28 at 15:28
Temperature of the moon 4ft off the surface
Awarded Feb 28 at 9:50
Why were the SRB cameras looking down called "forward cameras"?
Awarded Feb 27 at 17:04
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