Space Exploration Beta

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Awarded 2050 times.
How certain are we that we have not accidentally sent life to other planets/moons?
Awarded Sep 25 at 0:35
Highest apogee of a Soviet/Russian crewed spacecraft?
Awarded Sep 24 at 5:56
Challenger Shuttle: could the crew have survived?
Awarded Sep 23 at 14:41
Is the 1970's Viking Orbiter due to contaminate Mars?
Awarded Sep 21 at 13:07
Is there likely to be life in Venus's upper atmosphere?
Awarded Sep 21 at 11:25
How rover landing is achieved on planets with very low atmospheric pressure?
Awarded Sep 20 at 16:55
Is there a method of finding chemical composition of asteroids?
Awarded Sep 19 at 7:06
Specific Heat Ratio for a perfect gas mixture
Awarded Sep 17 at 19:47
Quantum technology for starship communications and landing on Mars
Awarded Sep 17 at 1:26
Falcon 9 Merlin 1d thrust calculated through every moment of flight
Awarded Sep 15 at 23:05
Falcon 9: Why does F9 first stage always lose Video Link during Entry Burn?
Awarded Sep 14 at 13:55
Level of radiation on surface/ocean of Mars AFTER terraforming
Awarded Sep 12 at 23:08
Are satellites whose orbits go below 100 km perigee considered having multiple spaceflights?
Awarded Sep 12 at 13:40
Can you help me identify this vehicle outside the VAB?
Awarded Sep 11 at 8:41
At which pressure does a liquid fueled rocket start producing supersonic flow?
Awarded Sep 11 at 0:12
How much anti-matter is needed for an anti-matter propelled rocket to reach $P$ % ($P\lt{100}$) of the speed of light (c)?
Awarded Sep 10 at 18:45
What are the most common practical design specifications for antenna in space?
Awarded Sep 9 at 8:06
How were the boundaries of LEO and MEO (or all geocentric orbits) determined?
Awarded Sep 4 at 21:31
Does the Earth's orbiting the Sun influence spacecraft in Earth's orbit?
Awarded Sep 4 at 9:15
Could the Space X “Starship” be modified for point to point travel on Earth?
Awarded Sep 3 at 23:25
Why do rockets coast before secondary payload deployment?
Awarded Sep 3 at 8:47
In what conditions are the electronics of New Horizons housed?
Awarded Sep 2 at 13:51
Have there been rocket engines designed for diesel? What ISP theoretically possible?
Awarded Sep 2 at 4:16
Source of Gregorek's popular drag equation in ESTES TR-11?
Awarded Aug 31 at 5:20
A dataset for Earth satellite size information?
Awarded Aug 30 at 15:37
Size of the new Starship Launch tower at Boca Chica?
Awarded Aug 28 at 13:05
Why don't we build standardized space probes?
Awarded Aug 28 at 7:26
Semi-feasible alternates to silicon electronics for a Von Neumann Probe?
Awarded Aug 25 at 16:26
What is the simplest way to determine if two or more TLEs describe two or more satellites in lead-follow?
Awarded Aug 25 at 6:18
How to choose the best direction to leave Earth's sphere of influence?
Awarded Aug 24 at 4:17
What does “all systems are internal” mean?
Awarded Aug 24 at 0:03
Apparent Centering Problem When Using the Perifocal System to Draw Orbital Ellipses
Awarded Aug 21 at 20:06
Has a probe ever been lost due to folding its antenna, making it unable to communicate?
Awarded Aug 21 at 17:05
How is satellite position tracked in practice?
Awarded Aug 20 at 0:45
Why doesn't the BFR/Starship have a launch escape system?
Awarded Aug 19 at 16:33
Pointing accuracy and relevant manoeuvers CUBESAT
Awarded Aug 19 at 7:50
Would it be easier to put humans on Venus rather than Mars?
Awarded Aug 18 at 19:26
How do you correct inclination at launch to ISS?
Awarded Aug 17 at 21:18
MMRTG- thermal and electrical output
Awarded Aug 17 at 4:46
How does spin stabilization intuitively work?
Awarded Aug 14 at 20:13
How to calculate these engine parameters on my own?
Awarded Aug 14 at 15:28
What is the formula for the gain factor of a ferromagnetic core for a torquer coil rod?
Awarded Aug 13 at 10:56
Why is Perseverance's RTG lifetime only 14 years?
Awarded Aug 12 at 9:34
Capturing Hydrogen from the solar wind for Space Colony / Terraforming
Awarded Aug 12 at 2:22
ISS Docking / Undocking schedule availability
Awarded Aug 11 at 15:15
Minimum deltaV between two Orbits (re Jonathan McDowell tweet)
Awarded Aug 10 at 18:04
At what altitude did the Skylab space station disintegrate?
Awarded Aug 9 at 17:06
Simple explanation for the 2nd “cosmic speed”
Awarded Aug 8 at 14:51
How is the space probe powered to travel a huge distance in a deep space mission?
Awarded Aug 7 at 23:51
Water ice as dummy/filler payload to orbit
Awarded Aug 7 at 11:56
How many Raptor engines will Starship use for TMI and Mars landing?
Awarded Aug 5 at 16:05
ECSS Simulation Modelling Portability
Awarded Aug 5 at 5:34
Is it possible to represent an orbit with just a periapsis position and 2 angular velocities?
Awarded Aug 3 at 15:18
Which operating system is Perseverance running?
Awarded Aug 2 at 13:33
What's the point/area of space called where there is equilibrium between 2+ different gravitational forces?
Awarded Aug 1 at 21:04
Why was the imaging quality of the Voyager probes *much* better than the Pioneer probes despite being launched only 5 years later?
Awarded Aug 1 at 6:08
How could the landing date of Perseverance Rover be fixed irrespective of 26 days launch window?
Awarded Aug 1 at 4:32
Could HIBEX propellant be used for amateur rockets?
Awarded Jul 30 at 23:21
Why do many Mars missions launch now, if the Hohmann transfer orbit is the most propellant-saving one?
Awarded Jul 28 at 9:08
Does Kepler's Method for Determining Time of flight between two True Anomalies break down with eccentricities approaching 1?
Awarded Jul 27 at 16:51
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