Space Exploration

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 1182 times.
Have any Mars surface spacecraft had downward-pointing radiometers to measure the surface temperature? (not air temperature)
Awarded 2 days ago
How many times will the Photon fire its Curie in order to "reach the right spot" to deploy CAPSTONE towards the Moon?
Awarded Jul 1 at 12:13
Orbit design guidelines for rendezvous with ISS?
Awarded Jun 22 at 1:51
What type of software is used to make radiation shielding simulations for use in Space or Mars?
Awarded Jun 16 at 12:35
formula linking RAAN and LTAN
Awarded Jun 12 at 12:42
Has a rocket from a torpedo tube ever reached space?
Awarded Jun 9 at 18:18
Why do most Measurements in Space use km?
Awarded Jun 8 at 4:52
Optimizing trajectories with GMAT: how to understand the "Vary" parameters, and how to know what values to use for them?
Awarded Jun 8 at 1:20
Could this three-thruster spherical spacecraft de-tumble itself with zero final velocity?
Awarded Jun 7 at 2:49
Powered Explicit Guidance: Should rocket be pitching down at orbital insertion?
Awarded Jun 5 at 11:26
Was Chandrayaan-1 recovered (tracked) only that one time in 2016, or is someone still keeping an eye on it from time to time?
Awarded May 31 at 18:32
What could Perseverance listening to Ingenuity reveal?
Awarded May 30 at 21:27
Technical feasibility of using Raptor engines for Vulcan rocket
Awarded May 30 at 13:17
Dinitrogen tetroxide decomposes to nitrogen dioxide at room temperature, but rockets that use it are usually said to use N₂O₄ and not NO₂ - why?
Awarded May 25 at 8:41
What was the smallest intentional, acknowledged slingshot maneuver?
Awarded May 24 at 21:09
Would this Starship design alternative be viable?
Awarded May 24 at 21:09
Largest single burn spacecraft delta-v in deep space?
Awarded May 21 at 22:11
Why does Vandenberg have the most launches?
Awarded May 20 at 0:55
Is lunar exploration going to need a whole heck of a lot of RTGs? If so, have they started firing up the RTG-making reactors yet?
Awarded May 19 at 21:35
Could a laser ablation-based propulsion system really accelerate an object to 0.001 c?
Awarded May 15 at 22:25
Venus gravity assist (and aerobraking) - How much delta-V can it add?
Awarded May 14 at 3:10
Could SpaceX's Starship's landing and restart process work on Titan?
Awarded May 11 at 4:11
What ever happened to 6Q0B44E - potentially the "artificial satellite (with) the farthest orbit around the Earth"?
Awarded May 9 at 5:07
Why are modern satellite ground station and deep space communications dishes with secondary mirrors almost always Cassegrain?
Awarded May 8 at 13:12
Looking for atmospheric density models of various planets and moons
Awarded May 3 at 5:15
Pressurized Organic Oxygen Pods
Awarded May 3 at 2:05
Is there a rule of thumb for the mass of thermal protection systems?
Awarded Apr 30 at 0:15
Curiosity / MRO UHF connection and weak signal modulation
Awarded Apr 25 at 2:30
How brightly does Venus's hot surface glow at night? Could you see it? Could you see well enough to walk around?
Awarded Apr 24 at 23:57
Discrepancy in local Mach behavior between CEA and other sources
Awarded Apr 14 at 19:05
Decomposing HTP through regenerative cooling for use in closed expander cycle
Awarded Apr 13 at 16:41
How do they know that the Dragonfly helicopter won't get quickly coated in tholin muck? Any desliming technology for camera lenses or propellors?
Awarded Apr 10 at 11:30
Delta-v obtained from Titan by the Cassini spacecraft; just how much of a "gas tank" was it?
Awarded Apr 9 at 17:35
What is the geometric dimensions of turbo pumps present in SSME?
Awarded Apr 4 at 18:25
Is there any more information available on JWST's "aft momentum flap"
Awarded Apr 4 at 11:03
Is there any practical application of trinitramide N(NO2)3 in rocket propellants
Awarded Apr 2 at 18:21
GMAT B-Plane to Mars different date
Awarded Mar 29 at 20:16
How large an asteroid sample does hayabusa2 have?
Awarded Mar 29 at 17:25
Are any more details on the September 5, 2007 "Ares-1X Steel Rod Mishap During Static Strip Test at KSC Parachute Refurbishment Facility" available?
Awarded Mar 28 at 12:27
GMAT: Finite burn targeting, solving for burn duration and quaternion
Awarded Mar 28 at 12:27
How does Mars have a Bow Shock and proton aurora? What is a hydrogen corona?
Awarded Mar 26 at 6:06
satellite ground track calculation
Awarded Mar 19 at 9:57
How long did the plasma blackouts of Perseverance's signals to MRO and direct-to-Earth last during its seven minutes of terror?
Awarded Mar 14 at 19:26
How heavy were Perseverance's balance masses?
Awarded Mar 8 at 1:06
After CAPSTONE inserted to "highly efficient ballistic lunar transfer trajectory" by Lunar Photon; to what separate orbit for its safe disposal? How?
Awarded Mar 7 at 17:51
For a launch, how is safe viewing distance determined?
Awarded Mar 7 at 11:33
Is there a fairly detailed outline of CAPSTONE's "highly efficient ballistic lunar transfer trajectory" from LEO to lunar near-rectilinear halo orbit?
Awarded Mar 6 at 21:20
Starship surface heating on Mars landing
Awarded Feb 27 at 3:27
Could there be a relatively stable near-rectilinear halo orbit associated with the Sun-Earth L1 or L2 points? Would the Moon screw it up?
Awarded Feb 24 at 3:07
Spice PCK planet orientation model
Awarded Feb 23 at 17:15
What happens if Ariane V actually fails while launching JWST?
Awarded Feb 23 at 6:32
How was "toolbag-sat" imaged in space? (from Scott Manley's video)
Awarded Feb 22 at 16:11
Has any rover dragged a magnet across any solar system body to see what gets picked up or made magnetic measurements of specific rocks or particles?
Awarded Feb 21 at 12:55
Speed of propagation of unconstrained detonations in atmosphere
Awarded Feb 17 at 18:12
Difference between distance from Mars (Rmag) and B-plane R coordinate
Awarded Feb 17 at 2:41
Do reentering capsules always make a(n Earth-shattering ka-)boom and look like a fireball if at night? Time & epicenter predictable w/ public info?
Awarded Feb 16 at 22:10
What systems onboard the JWST are redundant and which are not?
Awarded Feb 8 at 9:16
What ever happened to 6Q0B44E - potentially the "artificial satellite (with) the farthest orbit around the Earth"?
Awarded Feb 8 at 4:40
Shuttle main engines RS-25, material damage on parts that needed replacement/refurbishment
Awarded Feb 6 at 1:27
How was AS-212 (Saturn 1B) supposed to carry both a CSM and LM?
Awarded Feb 5 at 3:25
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