Space Exploration Beta

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Awarded 1839 times.
How can you determine the nature of an object from its flight path angle, velocity, and radius alone?
Awarded 6 hours ago
Why do SpaceX expect the Falcon 9 rocket to explode during the in flight abort test?
Awarded 7 hours ago
What is the benefit of rigid solar arrays over flexible ones?
Awarded Jan 17 at 6:05
Apollo PTC roll orientation and communication with earth
Awarded Jan 17 at 3:25
Would more or less gravity make you proportionately stronger?
Awarded Jan 16 at 15:50
Did Project Horizon draft any proposals for small arms weapons for astronauts?
Awarded Jan 14 at 21:25
Is the Helical Engine EM-Drive a real aproach to spacecraft propulsion?
Awarded Jan 14 at 2:10
Why does launching east result in an orbital inclination equal to the latitude of the launch site?
Awarded Jan 12 at 19:50
How is the brightness of satellites measured?
Awarded Jan 11 at 10:15
Acoustics in Space
Awarded Jan 11 at 7:20
Is an Earth synchronous (?) polar orbit possible?
Awarded Jan 10 at 12:45
Can communication satellite carry payload other than it's own boards?
Awarded Jan 9 at 15:45
Are there any mechanisms that would allow automated landing on a planet after 65,000 years?
Awarded Jan 8 at 10:00
Was the ship decompression scene in the movie Aliens realistic?
Awarded Jan 7 at 17:20
Could we wait for Mars to come to us?
Awarded Jan 7 at 13:55
Why exactly didn't they jettinson the boosters direct after burnout at the Starliner launch?
Awarded Jan 6 at 12:45
Are any airlocks automatic?
Awarded Jan 6 at 3:15
Who filmed the Apollo 11 trans-lunar injection?
Awarded Jan 6 at 0:40
Why are crew EVA cuff checklists wrapped in Kapton tape?
Awarded Jan 2 at 17:15
(post deleted or otherwise unavailable)
Awarded Jan 1 at 1:20
Were there any noticeable immune system changes observed for people staying for long in space?
Awarded Dec 30 '19 at 7:35
How Safe Is Phobos in Terms of Radiation Exposure?
Awarded Dec 29 '19 at 11:30
Mars and back, staying only a few days
Awarded Dec 28 '19 at 20:30
Besides the (currently down) HDEV, are there other public live video feeds from the ISS?
Awarded Dec 23 '19 at 18:30
How do the Starlink satellites shine?
Awarded Dec 20 '19 at 14:15
How exactly did the separation between Saturn V stage 3 and the Command / Lunar Module work?
Awarded Dec 18 '19 at 15:15
How fast is space debris travelling? [duplicate]
Awarded Dec 17 '19 at 3:55
Two line element set
Awarded Dec 13 '19 at 20:40
How does a soft landing technically work without air on the moon?
Awarded Dec 13 '19 at 13:20
ISS attitude yaw pitch roll conventions. Which one to use?
Awarded Dec 11 '19 at 13:50
How will the crew exit Starship when it lands on Mars?
Awarded Dec 9 '19 at 16:50
Explain this light and wavelength graph
Awarded Dec 7 '19 at 9:20
Need help with 'Tsiolkovsky's Rocket Equation': What's the maximum weight of my rockets command module?
Awarded Dec 5 '19 at 11:00
Why don't spacecraft get left behind once in deep space?
Awarded Dec 5 '19 at 2:00
Are RTG-powered spacecraft restricted to only some launch vehicles? [duplicate]
Awarded Nov 30 '19 at 13:10
What about Orion ISS missions?
Awarded Nov 29 '19 at 19:55
From commercial pilot to astronaut
Awarded Nov 26 '19 at 16:20
Why multiple GPS satellites are never launched on the same rocket?
Awarded Nov 26 '19 at 10:55
Zonal vs Tesseral part of geopotential?
Awarded Nov 21 '19 at 18:30
At a height of 100 km, what speed do you need to be going to escape Earth's gravity?
Awarded Nov 19 '19 at 1:00
How cryogenic oxygen was heated up for CM cabin repressurization?
Awarded Nov 18 '19 at 13:30
Is a Lofstrom loop realistic
Awarded Nov 17 '19 at 13:40
Why don't we shield existing CPUs from radiation instead of designing new ones?
Awarded Nov 13 '19 at 7:55
Is it possible to use gases instead of liquids as fuel in a rocket engine?
Awarded Nov 8 '19 at 8:10
What is delta-v calculated in reference to?
Awarded Nov 7 '19 at 13:10
Where is BepiColombo?
Awarded Nov 7 '19 at 10:05
Could a magnetic scoop work as a means to refuel a tank with hydrogen in orbit?
Awarded Nov 5 '19 at 7:40
What was the minimum throttle setting a SSME could be operated at while in Flight?
Awarded Nov 4 '19 at 16:15
How to calculate position of GPS Satellite with transmitted ephemeris data?
Awarded Nov 2 '19 at 18:45
Circular to elliptical orbit delta V requirements
Awarded Nov 2 '19 at 13:35
What would be the cost of a thorium reactors at the core of a large starship? [closed]
Awarded Nov 1 '19 at 9:30
Would rocket engine exhaust create pockets of gas in space which could hinder further space exploration?
Awarded Oct 31 '19 at 23:25
Commercial satellite retrieval - possible?
Awarded Oct 31 '19 at 1:25
How to use specific impulse for multiple stages
Awarded Oct 29 '19 at 14:45
How does a Spacecraft change its orbit?
Awarded Oct 28 '19 at 10:25
How do Expander Cycle Engines Inject Liquid Fuel During Startup?
Awarded Oct 24 '19 at 13:40
Apollo image lighting
Awarded Oct 24 '19 at 4:40
Power generation from cosmic rays or particles?
Awarded Oct 22 '19 at 9:15
Calorically perfect gas calculations of re-entry vehicles
Awarded Oct 22 '19 at 1:50
Curiosity landing system versus Spirit/Opportunity's [duplicate]
Awarded Oct 21 '19 at 3:01
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