Space Exploration Beta

Revival

 Revival
Answer more than 30 days after a question was asked as first answer scoring 2 or more. This badge can be awarded multiple times.
Awarded 937 times.
Lighting an area of the Earth Surface from LEO
Awarded 12 hours ago
What is the cheapest possible way to land a crew of 2 on the moon?
Awarded Feb 23 at 13:12
Why does the Starship methane header tank have so many holes in it?
Awarded Feb 17 at 19:52
Any chance of seeing a vertical launch of an orbital launch vehicle in UK in the not-too-distant future?
Awarded Feb 15 at 23:06
What are these two SPHERES doing?
Awarded Feb 14 at 3:49
Use of VLF to create a Mars barrier
Awarded Feb 7 at 19:47
Highest number of distinctly different satellite designs on a single rocket
Awarded Feb 3 at 17:31
Does the FAA still license the people who fold human-rated reentry parachutes?
Awarded Feb 2 at 15:41
Are there any superstitions practiced in space?
Awarded Feb 2 at 1:16
How does methane waste produced by the ISS interact with our Atmosphere?
Awarded Jan 31 at 2:41
How does a third DSN station serves as a “relay” to tie-together observations by two other stations doing VLBI?
Awarded Jan 31 at 1:27
How deep into the corona could the Parker Solar Probe go without being damaged?
Awarded Jan 30 at 17:04
Station-keeping delta-v per year for an Earth-Moon vanilla halo orbit?
Awarded Jan 29 at 21:05
How are the Voyagers' thrusters configured in a novel way to minimize accelerations along Earth-spacecraft axis?
Awarded Jan 29 at 4:51
Why would photon pressure be needed to keep ParkinsonSAT Spinning?
Awarded Jan 23 at 0:25
Did the Space Shuttle crew have to worry about the ionosphere? What relevant training or specific briefings did they receive?
Awarded Jan 19 at 20:11
New Terran 1 rocket - launch costs for Cubesat
Awarded Jan 18 at 18:34
How much of the piggybacked Aireon system rely on its Iridium Next hosts?
Awarded Jan 16 at 11:25
How many SpaceX 2nd stages are in heliocentric orbits?
Awarded Jan 14 at 4:32
Implementing control system to track position and velocity references simultaneously
Awarded Jan 13 at 7:02
Patched conics Earth to Mars transfer, find Vinf at arrival at Mars
Awarded Jan 11 at 23:32
Why does NASA now call its rovers “robotic scientists?”
Awarded Jan 11 at 20:26
Are black and white stripes any better than uniform gray for thermal control?
Awarded Jan 8 at 1:57
How are the Curiosity rover's batteries doing after all these years (and all these cycles)? Have they degraded significantly?
Awarded Jan 2 at 12:52
What upgrades does the Merlin 1D need to increase its time between overhauls to 1000 hours?
Awarded Jan 1 at 1:41
Cubesat Launch Costs
Awarded Dec 31 '20 at 20:18
How many leaks have been fixed on the ISS, roughly?
Awarded Dec 22 '20 at 15:43
What “improvements in technology” allowed the primary mirror of RST (WFIRST) to be less than 1/4 the weight of Hubble's?
Awarded Dec 19 '20 at 6:11
Are LiPo batteries more suitable for 1st stage electric power than Li-ion batteries?
Awarded Dec 19 '20 at 2:36
Why did GRACE mission have launch window?
Awarded Dec 18 '20 at 16:08
What is the difference between a “Suicide burn” and a “Hoverslam”?
Awarded Dec 15 '20 at 8:26
What is the optimal angle for a solar-sail deorbit towards the Sun when radial thrust is included?
Awarded Dec 13 '20 at 1:50
Solar sail force calculation: Angle vector
Awarded Dec 11 '20 at 11:26
Are there useful materials which can only be manufactured in microgravity?
Awarded Dec 8 '20 at 9:11
Is there a way to get the angle of approach of a spacecraft with respect to a planet velocity vector?
Awarded Dec 7 '20 at 13:30
How will the Lunar Gateway go to L2 and L1; how much delta-v is needed?
Awarded Dec 6 '20 at 23:27
Did any rockets have 5- or 7-fold symmetry?
Awarded Dec 5 '20 at 22:26
Have there been any designs for multi staged space tethers?
Awarded Nov 29 '20 at 9:51
How many spacesuits were specifically manufactured for John Young?
Awarded Nov 27 '20 at 1:37
How does a butterfly orbit move in 3D? Way to generate or visualize?
Awarded Nov 26 '20 at 22:51
What caused STS-129's low energy condition on the HAC?
Awarded Nov 18 '20 at 23:25
what brand/make is the laptop articulated arm in sleeping pod?
Awarded Nov 15 '20 at 9:04
Why will the Soyuz MS-17 be relocated on the ISS?
Awarded Nov 15 '20 at 4:56
How far did Hayabusa-2 back off before the “bomb” went off?
Awarded Nov 14 '20 at 15:19
Where on Mars are the possible other collapse features with very high depth/diameter ratio?
Awarded Nov 5 '20 at 7:25
Most busy times in space launches by decade?
Awarded Nov 2 '20 at 16:46
How do the Dynetics-led team's ALPACA lander's “drop tanks” rendezvous and jettison work in terms of trajectories?
Awarded Nov 1 '20 at 7:46
Have there been any square 4U (2x2) cubesats?
Awarded Oct 30 '20 at 0:10
Why does it take three years to manufacture a Soyuz spacecraft?
Awarded Oct 26 '20 at 19:02
Would not getting asteroid 2013 ND$_1$$_5$ into a polar orbit be the easiest way for it to become a moon of Venus?
Awarded Oct 21 '20 at 22:55
Venus-Mars-Venus cycler?
Awarded Oct 20 '20 at 14:57
What are the advantages of solid iodine propellant and how is it used for ion propulsion?
Awarded Oct 20 '20 at 14:57
Dried beans, rice and oats, jerky, olive oil, salt, vitamins, electrolytes, water; anything else?
Awarded Oct 17 '20 at 15:32
What is the typical size of the sulfuric acid droplets in the atmosphere of Venus?
Awarded Oct 10 '20 at 14:27
When were the presence of specific elements on asteroids first identified?
Awarded Oct 10 '20 at 12:07
Trivial lower bounds for single point mass delta-v problems?
Awarded Oct 5 '20 at 15:41
What would be the implications of high-altitude or catapult launch for orbital rocket?
Awarded Oct 3 '20 at 20:47
How were scientists able to experimentally confirm that Saturn's ravioli-shaped moons had highly porous surfaces?
Awarded Oct 3 '20 at 8:28
Which solar system objects could a space elevator be built on with modern tech?
Awarded Oct 2 '20 at 20:18
Could any modern launch vehicle have put Ulysses in it's polar heliocentric without going to another planet first?
Awarded Oct 2 '20 at 16:26
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