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Impact

~2.9m
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2,024 posts edited
385 helpful flags
20,708 votes cast
Summary Answers Questions Tags Badges Bookmarks 2 Bounties Reputation All actions

533 Bookmarks

Votes Activity Newest Views Added
16
votes
3
answers
510
views

How would time measurement be done over great distances?

time
Jun 6 '19 at 7:59 Philipp 8,858
16
votes
5
answers
2k
views

Jurisdiction over crime in space

law
Jul 24 '13 at 11:48 robguinness 597
16
votes
3
answers
23k
views

How to calculate delta-v required for a planet-to-planet Hohmann transfer?

orbital-mechanics orbital-maneuver interplanetary
May 18 '17 at 20:50 PHChilly 326
16
votes
2
answers
4k
views

How are GPS satellite clocks synchronized with each other in the earth's frame of reference?

artificial-satellite communication navigation time gps
Mar 7 '16 at 23:01 PearsonArtPhoto♦ 111k
16
votes
5
answers
4k
views

Would a lunar telescope provide a significant improvement over terrestrial based equipment?

the-moon astronomy telescope space-telescope
Oct 24 '16 at 22:40 Robert Walker 771
16
votes
2
answers
2k
views

Is the Falcon Heavy booster much simpler to land than the Falcon 9 first stage?

launch spacex falcon-9 falcon-heavy recovery
Feb 13 '18 at 20:59 jkavalik 4,967
16
votes
1
answer
1k
views

What's falling off the Shenzhou/Long March stack?

launch long-march shenzhou
Nov 2 at 17:24 DrSheldon 39.7k
16
votes
2
answers
3k
views

Why did Sputnik 1 have four antennas?

probe russia soviet-union sputnik antenna
Oct 15 '16 at 5:55 uhoh 123k
16
votes
1
answer
596
views

What are the differences in technology between OSIRIS-REx and Hayabusa missions?

asteroid technology sample-return osiris-rex hayabusa
Jun 6 at 16:10 DarkDust 11.7k
15
votes
3
answers
900
views

Has an SRB been considered for use in orbit to launch to escape velocity?

deep-space srb
Oct 30 '16 at 2:24 Organic Marble 135k
15
votes
4
answers
11k
views

Why do so few satellites pass over the poles, and why do so many focus on the equator?

orbital-mechanics artificial-satellite orbit polar-orbit
Dec 21 at 16:28 Fattie 1,626
15
votes
1
answer
534
views

Is radiation dose from cosmic rays higher behind 50 cm of shielding, or lower?

radiation cosmic-radiation 3d-modeling
Mar 30 '17 at 3:05 kim holder 19.8k
15
votes
1
answer
673
views

What would have been the absolute maximum LEO payload of a two-stage Saturn V?

apollo-program low-earth-orbit payload saturn-v skylab
Jan 6 at 1:40 Russell Borogove 145k
15
votes
2
answers
3k
views

Nuances of the terms (mean / osculating / Keplerian / orbital) elements

terminology orbital-elements
Mar 4 at 17:33 Brandon Rhodes 836
15
votes
3
answers
4k
views

Is this a correct understanding of Tsiolkovsky's rocket equation?

rockets delta-v specific-impulse mass-fraction rocket-equation
Dec 13 '16 at 5:38 Nayuki 109
15
votes
3
answers
5k
views

Is the supercooled LOX used in Falcon 9 Full Thrust a first?

spacex falcon-9 fuel sub-cooled
Mar 13 '19 at 0:10 Glorfindel 588
15
votes
2
answers
4k
views

Why did the Space Shuttles perform a rollover maneuver during launch?

launch space-shuttle
Mar 5 '17 at 16:22 JohnP 1,327
15
votes
3
answers
10k
views

How much RF transmit power does DSN need to send commands to Voyager?

nasa voyager power radio-communication deep-space-network
Nov 4 '16 at 23:57 Creation Factory 31
15
votes
1
answer
691
views

What amendments were made to the Outer Space Treaty?

law
May 23 '18 at 20:45 SpaceLawyer 974
15
votes
1
answer
3k
views

How long is it feasible to store cryogenic fuels?

fuel materials thermal cryogenics
Jun 25 '15 at 12:13 PearsonArtPhoto♦ 111k
15
votes
2
answers
2k
views

What software can be used to determine deep-space trajectories?

trajectory deep-space software gravity-assist mission-design
Oct 21 '15 at 11:16 Community♦ 1
15
votes
2
answers
29k
views

Calculating solar system escape and and sun-dive delta V from lower Earth orbit

orbital-mechanics delta-v
Aug 14 '16 at 9:25 jeff 1
15
votes
3
answers
6k
views

Minimum Orbit Altitude

orbital-mechanics low-earth-orbit
Oct 15 '17 at 14:26 Rory Alsop 12.9k
15
votes
6
answers
23k
views

Can an artificial satellite stay in orbit forever?

artificial-satellite orbit orbital-lifetime
Jan 17 '19 at 14:43 Felix 1
15
votes
2
answers
2k
views

Can the satellites in Martian orbit be put to use providing a rudimentary GPS system on Mars?

mars rovers navigation gps mars-orbiters
Sep 29 '14 at 23:16 Philipp 8,858
15
votes
1
answer
864
views

How did Goddard's rocket reach 41 feet altitude in under 2.5 seconds?

rockets simulation
Aug 22 '14 at 16:17 PearsonArtPhoto♦ 111k
14
votes
2
answers
4k
views

Why would Sun-synchronous orbits be impossible around perfectly spherical bodies?

orbital-mechanics venus sun-synchronous
Sep 13 '14 at 1:03 Community♦ 1
14
votes
2
answers
3k
views

How will Juno establish existence of solid core within Jupiter and determine its size?

nasa planetary-science magnetic-field jupiter juno
Mar 2 '14 at 18:42 David Hammen 50.9k
14
votes
1
answer
4k
views

How does the gravity of a massive non-spherical object act on things around it?

orbital-mechanics gravity orbital-maneuver
Sep 13 '13 at 11:49 TildalWave 73.1k
14
votes
1
answer
1k
views

How were vibrations supposed to be handled in an Ares I?

nasa vibration constellation-program canceled-project srb
Jul 20 '15 at 18:40 TildalWave 73.1k
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