Space Exploration

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earned this badge 209 times.
What is the life expectancy of a geosynchronous satellite dependent on?
Awarded Oct 5, 2018 at 12:50
How does automated docking work and why isn't it used more often?
Awarded Sep 21, 2018 at 13:00
What is the ring at the bottom of the Merlin vacuum engine?
Awarded Sep 18, 2018 at 1:25
What is the primary reason for SpaceX motion to have astronauts board Dragon before fueling up the rocket?
Awarded Aug 21, 2018 at 17:15
What makes it so hard to precisely land a fairing?
Awarded Aug 1, 2018 at 5:15
Could a Falcon Heavy assembly or something similar be useful for deep space missions?
Awarded Jul 30, 2018 at 9:20
Will SpaceX delay launches, if the landing site weather is unacceptable?
Awarded Jul 25, 2018 at 16:10
What is a dual-combustion chamber design?
Awarded Jun 28, 2018 at 1:44
Is it more efficient to assemble spacecraft in orbit, or assemble on the ground and launch?
Awarded Jun 22, 2018 at 21:55
What holds SpaceX’s rocket in place in this launch?
Awarded Jun 22, 2018 at 0:02
Why does the Falcon 9 use RP-1/LOx and not LH2/LOx?
Awarded Jun 13, 2018 at 17:36
Why is the first stage from the Falcon 9 SES-12 mission not recovered?
Awarded May 29, 2018 at 16:11
What did the Soviet Union and Russia bring to the ISS?
Awarded May 29, 2018 at 13:26
Do astronauts on board the ISS have a backup spacesuit?
Awarded May 29, 2018 at 0:27
Could the solid boosters of SLS be replaced by reusable Falcon 9 first stages?
Awarded May 26, 2018 at 0:45
Why won't they recover the Falcon 9 from CRS-14?
Awarded Apr 3, 2018 at 19:48
Why is there a need for getting rid of ISS trash using the empty ATV and similar vehicles
Awarded Mar 28, 2018 at 21:15
Is SpaceX doing any science with the Roadster and/or spacesuit?
Awarded Mar 3, 2018 at 1:33
What are the two bright objects separating from the Falcon 9?
Awarded Feb 26, 2018 at 0:11
Why does the ISS have so much pressurized but uninhabitable space?
Awarded Feb 20, 2018 at 21:32
Why did the Tesla Roadster spend time in the Van Allen belt?
Awarded Feb 19, 2018 at 22:03
Will SpaceX attach its fairings to a booster to recover them?
Awarded Feb 16, 2018 at 21:17
Why does the video feed always fail during Falcon 9 landings?
Awarded Feb 15, 2018 at 14:51
Will the Tesla Roadster return any telemetry?
Awarded Feb 15, 2018 at 12:46
What are the two openings above the Shuttle's cockpit?
Awarded Feb 14, 2018 at 18:59
Is Starman in the Tesla Roadster a real human?
Awarded Feb 13, 2018 at 19:44
Can the Falcon Heavy handle deep space missions?
Awarded Feb 13, 2018 at 0:11
Why 31 engines for the BFR?
Awarded Feb 11, 2018 at 4:11
Is it possible the Falcon Heavy Demo flight could be done with three previously flown boosters?
Awarded Feb 8, 2018 at 5:50
Why is the Falcon Heavy first launch being given such a risk of failure?
Awarded Feb 6, 2018 at 19:39
Would a hex-cluster of SpaceX boosters around a central booster lift a large payload into space?
Awarded Jan 18, 2018 at 17:43
Why is NASA planning to deorbit the ISS instead of reusing its newer modules, like the Russians will?
Awarded Jan 11, 2018 at 8:43
Why does the ISS have to be destroyed?
Awarded Jan 10, 2018 at 15:48
Pollution by rockets and missiles
Awarded Dec 27, 2017 at 21:41
Could a Falcon 9 land carrying its second stage and payload?
Awarded Nov 23, 2017 at 0:02
Why do SpaceX rockets' re-entries seem to burn (as in heat the hull) less than the space shuttle?
Awarded Sep 9, 2017 at 2:00
SpaceX and propulsive landing on Mars -- what just happened? (and why?)
Awarded Jul 30, 2017 at 17:17
Why won't SpaceX launch a rocket for a month?
Awarded Jul 18, 2017 at 23:22
When will they be landing Dragon retropropulsively?
Awarded Jul 2, 2017 at 16:28
How does the Falcon 9 know where the landing barge/pad is?
Awarded Jun 30, 2017 at 12:19
How are the SpaceX Falcon 9 Mod 3 and Mod 4 grid fins different?
Awarded Jun 26, 2017 at 7:35
Does SpaceX name individual boosters?
Awarded Jun 9, 2017 at 15:20
Could a rocket booster be refueled in space?
Awarded May 18, 2017 at 19:06
Why can the Falcon 9 be reused while the SLS cannot?
Awarded May 18, 2017 at 3:18
Why doesn't the ISS start to spin if people walk inside?
Awarded May 7, 2017 at 22:56
What makes SLS (Space Launch System) \$10 Billion (or \$36 Billion) project?
Awarded Apr 7, 2017 at 15:54
Why does the CRS-8 Falcon 9 rocket appear to be swaying before launch?
Awarded Apr 5, 2017 at 17:11
How large could launchers become?
Awarded Mar 24, 2017 at 7:10
Why is OA-7 launching atop an Atlas V?
Awarded Mar 10, 2017 at 9:47
More efficient SpaceX landings?
Awarded Mar 8, 2017 at 21:37
So with Soyuz being retired, what gets people up to the ISS and back down now?
Awarded Feb 23, 2017 at 1:04
What happens to the Falcon 9 second stage after payload separation?
Awarded Feb 20, 2017 at 13:48
Why hasn't Dragon been reused before CRS-11?
Awarded Feb 3, 2017 at 10:51
What makes 21st century fairings so valuable that they'd potentially be recovered and re-used?
Awarded Feb 2, 2017 at 22:42
Why don't unmanned launch vehicles include launch escape system for payload?
Awarded Dec 4, 2016 at 13:16
SpaceX's ITS - why gimbal only the inner cluster?
Awarded Oct 2, 2016 at 18:59
Why is the F9-029 Amos 6 case more complex than the F9-020 CRS-7 explosion?
Awarded Sep 16, 2016 at 18:38
Why is there so much variation in the number of engines on launchers?
Awarded Sep 7, 2016 at 3:14
Why did the Saturn V stage fairing appear to burn after separation?
Awarded Sep 3, 2016 at 22:11
Why was AMOS-6 mounted on the rocket for a test fire?
Awarded Sep 3, 2016 at 21:56
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