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 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 749 times.
Thermal control
Awarded 58 mins ago
What type of rock or soil on Mars will give Nostoc Commune cyanobacteria the best chance to survive there?
Awarded 21 hours ago
How similar are nuclear ramjets to nuclear thermal rockets?
Awarded yesterday
Would a nuclear turbojet with a chemical afterburner be a suitable intermediate between a pure nuclear turbojet and a nuclear thermal rocket?
Awarded yesterday
What exactly is the interaction that blocked Juno's data downlink near solar conjunction?
Awarded yesterday
How strict are dispenser integrators when a CubeSat requirement is not met?
Awarded 2 days ago
Will there be torques on spacecraft due to interaction of magnetic torquer with the residual magnetic field of the spacecraft?
Awarded 2 days ago
Convective heat transfer on rocket during ascent
Awarded 2 days ago
Why do many ablative nozzles use phenolic resin and not some other resin?
Awarded 2 days ago
What goes into the planning and execution of the deployment of groups of LEO satellites?
Awarded 2 days ago
Has SpaceX ever done a hot restart of a 2nd stage?
Awarded 2 days ago
Why NASA's sudden renewed (apparently) interest in Wax hybrid engines? Which property is so attractive now?
Awarded Dec 12 at 23:05
How fast do optical surfaces get dirty or damaged in space?
Awarded Dec 9 at 15:15
Better way to get approximate ground track for a satellite using Skyfield?
Awarded Dec 4 at 6:50
What's the deepest a trench could theoretically be dug on Mars?
Awarded Nov 29 at 5:20
Where to look for historical or reconstructed orbit data for early NASA missions - Mercury-Atlas 6 for example
Awarded Nov 24 at 20:55
How well could the tether tension method of attitude control actually ultimately work for a cubesat system?
Awarded Nov 18 at 20:15
What is the Lux value of the Sun and Earth in Low Earth Orbit (altitude=400 km)?
Awarded Nov 17 at 18:15
Where are the Apollo forward heat shields currently located?
Awarded Nov 15 at 2:15
What would have been the absolute maximum LEO payload of a two-stage Saturn V?
Awarded Nov 14 at 9:50
Is it feasible to paint SpaceX Starlink satellites black so as not to frequently saturate the CCDs of the Large Synoptic Survey Telescope?
Awarded Nov 13 at 19:46
How does the economy of a direct launch (to the Moon) compare with two launches docking in orbit?
Awarded Nov 13 at 18:30
Have there been at least continuous periods of plants growing on the ISS?
Awarded Nov 8 at 23:10
How well can Voyager 1 separate Earth signals from Solar noise these days?
Awarded Nov 6 at 23:15
Why does Earth's atmospheric density have a big “knee” around 100 km? Is there a good analytical approximation?
Awarded Nov 6 at 13:15
How will SpaceX's Starship's future pressure-fed thrusters work at “any gee’s, any attitude”?
Awarded Nov 3 at 21:30
Who put their spacesuit boots on the wrong feet?
Awarded Nov 1 at 16:15
ViaSat's 18 kW solar array - largest ever for a commercial telecom satellite?
Awarded Oct 28 at 21:55
Space adaptation syndrome compared to BPPV (vertigo)
Awarded Oct 28 at 4:10
Is there a space-certification procedure used by commercial spacecraft manufactures for electronic components?
Awarded Oct 25 at 16:15
What are these four “debris” objects along with the Starlink satellites?
Awarded Oct 24 at 19:55
What's going on with NASA's Solar System Dynamics?
Awarded Oct 24 at 16:50
Is TDRS-M (TDRS-13) where it's supposed to be?
Awarded Oct 19 at 0:15
How are co-located satellites positioned relative to each other?
Awarded Oct 14 at 19:55
Has Curiosity started driving backwards yet?
Awarded Oct 12 at 15:45
Are the surfaces in permanent shadow in Moon craters 'fluffy'?
Awarded Oct 9 at 19:45
Where exactly on Mars was Curiosity when this image was taken?
Awarded Oct 8 at 16:25
'Noodle' zigzagging of a mapping spectrometer
Awarded Oct 8 at 6:10
Is there any reason Cyanobacteria or Lichens can't survive on Mars?
Awarded Oct 7 at 4:35
How will SpaceX's Starship accommodate its 100 passengers from the effects of micro-gravity?
Awarded Oct 2 at 20:25
When is the PTK NP spacecraft likely to be launched?
Awarded Sep 28 at 11:15
Does NASA still plan for the Mars Ascent Vehicle to burn wax from the surface to orbit?
Awarded Sep 27 at 5:00
Are there any equations out there that can calculate the burnup of an asteroid depending on angle?
Awarded Sep 26 at 1:55
Why does NASA use the position title “Pilot”' for crew members who are not in charge of piloting the spacecraft?
Awarded Sep 25 at 12:45
What colors were used in the Apollo Lunar Module interior, and why?
Awarded Sep 23 at 15:55
explosive force equivalent
Awarded Sep 20 at 16:10
what are various best practices/processes associated with orbit change manoeuvres of LEO / GEO satellites?
Awarded Sep 18 at 0:55
What are the effects of orbital reflectors and advertising on scientific observation?
Awarded Sep 16 at 20:30
How many satellites would be required for Solar System GPS?
Awarded Sep 16 at 10:50
Piggybacking to Enceladus
Awarded Sep 15 at 1:10
Human-rating the Saturn V using modern standards
Awarded Sep 14 at 13:00
What physiological effects did the Apollo astronauts experience due to the lower lunar gravity?
Awarded Sep 12 at 18:25
Why is SpaceX's Raptor's design so simple in comparison to SSME?
Awarded Sep 11 at 11:10
At what distance to the sun would the Parker Solar Probe completely fail?
Awarded Sep 9 at 3:40
How do you find the temperature of an orbiting aluminum sheet 10x10 cm
Awarded Sep 8 at 17:35
Are there “rover-friendly region maps” for the Moon?
Awarded Sep 8 at 3:00
Chandrayaan-2 orbiter and lander communications with Earth (IDSN)
Awarded Sep 7 at 9:25
How was InSight's vertical seismometer (accelerometer) tested in Earth's stronger gravity?
Awarded Sep 4 at 23:55
What's the record for the fastest trip to the Moon?
Awarded Aug 30 at 23:15
Why exactly would “permanently shadowed polar lunar craters… have substantially higher levels of ³He than sunlit lunar surfaces?”
Awarded Aug 27 at 13:50
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