User kim holder

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What payloads and launch speeds could a sling launcher get using modern materials on the Moon?

Apr 28 '15 at 14:47 2012rcampion 2,289

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14k

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What are the main steps in the lead-up to a rocket launch?

launch rockets launchpad launch-sequence

Feb 2 '15 at 0:15 kim holder 19.4k

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Why are the exhaust plumes exiting the nozzles of SpaceShip Two segmented along their length?

nozzle plume development exhaust

Nov 1 '14 at 1:06 pericynthion 9,547

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How much meteorite material hits the moon and could it be useful?

the-moon mining meteoroid

Sep 18 '14 at 15:45 HopDavid 14.6k

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134

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What are the key dimensions of the new IDA docking ports on the ISS?

iss docking-port

Aug 16 '19 at 1:26 Organic Marble 130k

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Could refueled upper stages re-enter by retro-propulsion?

reuse upper-stage fuel-depots

Sep 26 '17 at 19:43 John Bode 1,829

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When estimating radiation doses inside a lunar habitat, what assumptions are made as to shape?

the-moon colonization radiation habitat

Jun 2 '16 at 1:27 kim holder 19.4k

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How often can liquid hydrogen engines be restarted?

engine-design feasibility hydrogen liquid-fuel restartable-engine

Apr 27 '16 at 18:32 Community♦ 1

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443

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Are there solar panels available today that would last through various lunar days?

the-moon mission-design solar-power

Nov 7 '15 at 16:21 kim holder 19.4k

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345

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How does possible orbital eccentricity vary with distance from the Sun?

orbital-mechanics terminology

Jul 17 '15 at 21:31 Community♦ 1

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242

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How do solar flares and coronal mass ejections create proton storms?

the-sun space-weather cme

Jul 5 '15 at 21:21 kim holder 19.4k

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205

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Modelling for the LDSD parachute - what are the issues with scale models and software simulations?

design parachute ldsd supersonic

Jun 4 '15 at 6:04 Mark Adler 54.8k

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1k

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Where does the clothing for the crew of the International Space Station come from?

iss astronaut-lifestyle psychology

May 18 '15 at 21:42 horsh 7,415

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341

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What gets you full access to NASA documents, and what is their role in private aerospace ventures?

nasa research

Mar 3 '15 at 17:46 TildalWave 72.6k

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Does NASA ever plan crewed missions without a free return trajectory?

trajectory safety abort free-return crewed-spaceflight

Oct 12 '14 at 11:01 TildalWave 72.6k

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2k

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What fraction of a liquid rocket launching from Mars to return to Earth would be fuel?

mars rockets fuel payload mass

Sep 16 '14 at 16:54 Rikki-Tikki-Tavi 7,914

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3

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532

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What proportion of a space craft soft-landing on the Moon would be payload?

rockets the-moon lander

Dec 22 '15 at 20:10 Community♦ 1

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1

answer

278

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If a high-temperature melt of lunar soil cooled slowly, what layers might appear?

the-moon planetary-science mining geology

Dec 20 '15 at 22:27 kim holder 19.4k

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3

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1k

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What are the problems with using the sun for Oberth maneuvers?

the-sun heat-shield oberth-maneuver

Nov 29 '14 at 22:45 Community♦ 1

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193

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Would a mass driver that uses a cushion of air to suspend its capsule be more efficient?

design mass-driver

Sep 27 '14 at 18:07 Community♦ 1

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106

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Where should ion drives be placed on a rotating space station of the lop-sided dumbbell variety?

space-station engineering ion-thruster artificial-gravity

Sep 3 '19 at 1:42 uhoh 116k

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Can the L1 sunshade idea for climate control be adapted to work in LEO?

artificial-satellite climate

Mar 8 '18 at 20:00 kim holder 19.4k

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answer

371

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Could the Dragon 2 abort after trans-lunar injection?

spacex the-moon trajectory dragon-v2 abort

Apr 25 '17 at 13:46 kim holder 19.4k

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votes

3

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Has Juno now gone faster than - and braked harder than - any other human-made object ever?

probe jupiter juno oberth-maneuver

Jul 12 '16 at 18:37 geoffc 72.5k

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124

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Is this an efficient way to turn bulk minerals in space into kinetic weapons?

reentry mining

Jun 2 '16 at 20:17 kim holder 19.4k

2

votes

2

answers

167

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Would it make sense to design a standard stage for deep space missions?

rockets probe deep-space

Jan 27 '16 at 3:11 SF. 48.4k

2

votes

1

answer

96

views

Can aerobrake maneuvers for entering orbit stress a ship over time?

interplanetary reuse aerobraking

Dec 5 '14 at 15:56 Rory Alsop 12.3k

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117 Questions

What payloads and launch speeds could a sling launcher get using modern materials on the Moon?

What are the main steps in the lead-up to a rocket launch?

Why are the exhaust plumes exiting the nozzles of SpaceShip Two segmented along their length?

How much meteorite material hits the moon and could it be useful?

What are the key dimensions of the new IDA docking ports on the ISS?

Could refueled upper stages re-enter by retro-propulsion?

When estimating radiation doses inside a lunar habitat, what assumptions are made as to shape?

How often can liquid hydrogen engines be restarted?

Are there solar panels available today that would last through various lunar days?

How does possible orbital eccentricity vary with distance from the Sun?

How do solar flares and coronal mass ejections create proton storms?

Modelling for the LDSD parachute - what are the issues with scale models and software simulations?

Where does the clothing for the crew of the International Space Station come from?

What gets you full access to NASA documents, and what is their role in private aerospace ventures?

Does NASA ever plan crewed missions without a free return trajectory?

What fraction of a liquid rocket launching from Mars to return to Earth would be fuel?

What proportion of a space craft soft-landing on the Moon would be payload?

If a high-temperature melt of lunar soil cooled slowly, what layers might appear?

What are the problems with using the sun for Oberth maneuvers?

Would a mass driver that uses a cushion of air to suspend its capsule be more efficient?

Where should ion drives be placed on a rotating space station of the lop-sided dumbbell variety?

Can the L1 sunshade idea for climate control be adapted to work in LEO?

Could the Dragon 2 abort after trans-lunar injection?

Has Juno now gone faster than - and braked harder than - any other human-made object ever?

Is this an efficient way to turn bulk minerals in space into kinetic weapons?

Would it make sense to design a standard stage for deep space missions?

Can aerobrake maneuvers for entering orbit stress a ship over time?