52 If we put humans on planets with atmospheres different from Earth's atmosphere, but still containing oxygen, would humans be able to breathe? 2015-02-17T18:24:44.640

51 Could dinosaurs breathe modern air? 2019-11-19T12:45:18.537

43 How would winds behave on a tidally locked planet? 2014-12-01T20:39:19.307

41 Can guns be rendered unusable by changing the atmosphere? 2016-11-17T20:58:10.793

41 Would life always name the light from their sun "white" 2019-05-13T20:27:21.320

39 Reasons why air travel isn't feasible, but ground travel is? 2017-09-21T18:39:54.447

34 Could the atmosphere be compressed and put into bottles? 2016-11-17T18:19:16.107

33 A monochrome planet 2016-08-24T06:05:06.830

33 If there are water oceans, must there be oxygen in the atmosphere? 2018-02-27T04:31:46.753

33 Of strange atmospheres - the survivable but unbreathable 2019-05-21T15:46:08.457

32 What Factors Could Cause a World to See "Northern" Lights Much Closer to the Equator? 2014-09-16T19:17:19.980

29 Terrestrial Exoplanet Skies – I've Built a Visual Sky Chart. Is it Correct? 2017-12-18T04:53:27.030

29 How deep must be a pit on the moon to hold atmosphere at 1ATM on the bottom 2019-01-02T17:08:48.907

28 Skydiving... From a space station 2015-10-17T23:40:38.833

28 Plausible Original Concept For High-Fidelity Apocalypse? 2016-12-13T00:10:49.367

27 How could bird people map the air? 2015-06-10T18:53:53.510

25 Could a Spaceship Enter/Exit the Atmosphere Without Landing 2017-04-03T16:39:37.573

25 How to make sure humans do not know the meteorological phenomenon rainbow? 2018-03-14T10:29:22.297

24 How could a planet have most of its water in the atmosphere? 2019-04-29T16:36:44.193

22 Plausibility of helium dominated atmospheres on super-Earths 2019-08-06T14:06:48.143

21 What would be an ideal breathable atmosphere for a planet so that fire couldn't start naturally? 2018-01-18T23:18:20.413

21 An iron rain to starve a planet 2018-08-19T22:51:58.160

20 How could a smaller planet than Earth have a higher gravity? 2014-12-07T09:23:54.577

20 Avoiding preventing your own birth in a time travel paradox? 2016-09-27T07:16:28.410

20 How dense of an atmosphere do I need to "float" an ocean of liquid at 1000 ft elevation? 2017-11-27T23:59:47.067

20 A very small part of an office building is gone, leaving vacuum. How does this affect its surroundings? 2018-09-16T17:11:48.127

20 What is my breathable atmosphere composed of? 2019-09-11T12:58:05.780

20 What is the maximum viable speed for a projectile within earth's atmosphere? 2019-09-15T22:35:23.463

19 A character steps outside in the upper atmosphere of Venus- how sunburned is he? 2020-01-14T23:29:48.203

18 Making the Enterprise Fly 2014-10-07T11:49:35.957

18 Could you fly a Boeing 747 on Venus? 2019-11-05T22:17:32.370

17 How would I transport an atmosphere? 2015-02-18T22:08:08.127

17 Apparent Color of the Sun and Sky 2015-11-17T23:35:20.450

17 Could flying insects re-enter the Earth's atmosphere from space without burning up? 2019-03-01T22:28:21.913

17 How to get a green gas giant? 2020-01-02T19:06:17.837

16 What can we do to Mars to give it a survivable atmosphere? 2014-11-16T01:10:28.130

16 Could there be an atmosphere in which I could both be alive and float? 2015-07-13T18:51:20.713

16 Is a world with two different types of air possible? 2016-11-18T15:32:26.750

16 Argon Environment Spelunking 2018-10-16T19:22:48.267

15 If somehow Mars suddenly had our exact atmosphere, could there be lots of life in a few million years? 2014-12-13T20:52:53.107

15 Could a habitable planet form with no major bodies of water? 2015-12-13T16:24:24.657

15 How could the sky be orange in a breathable atmosphere? 2016-12-22T01:45:53.223

15 Assuming a flat world and no obstacles, how far could you see? 2020-01-30T15:31:47.457

14 Would a civilization that is trying to colonize a landless world be able to do so? 2014-10-05T21:48:42.080

14 What would be a reasonable caliber for an assault rifle and sniper rifle for a planet with pressure of 3 atm? 2017-03-23T17:02:32.020

14 What can I add to an oxygen/nitrogen atmosphere to make it unpalatable or poisonous to humans, yet stable and breathable to local creatures? 2017-04-21T06:46:51.943

14 Would a high gravity rocky planet be guaranteed to have an atmosphere? 2019-03-27T21:23:32.160

13 Is it possible that a gas giant of similar size to Jupiter could harbor life? 2014-11-29T13:10:08.487

13 Minimal Livable Atmosphere 2015-02-12T15:40:03.720

13 What is the minimum planetary mass to hold an atmosphere over geologic time scales? 2015-04-02T15:55:02.173

13 Would the atmosphere of an alien planet with the following mixture of gases be breathable to humans? 2016-06-20T06:37:57.183

13 Build a better cold trap 2017-02-13T00:20:44.313

13 How many "years without a summer" can society survive? 2017-04-13T12:52:30.813

13 Advanced civilization on planet with atmosphere only in large sinkholes 2018-05-11T11:31:39.980

13 Prevailing winds on a rotating space habitat 2018-07-31T22:04:09.033

13 With today's technology, could iron be smelted at La Rinconada? 2019-05-14T11:46:09.750

12 How much power can you send via a laser through the atmosphere without catastrophic effects? 2014-12-18T17:29:39.230

12 Would a circumbinary planet have a differently colored sky depending on which star was visible? 2016-08-10T11:16:59.567

12 How Do I Supplement Oxygen Intake? 2016-12-10T19:52:07.470

12 How to predict the color of this sky? 2018-11-19T10:04:26.177

12 50% O₂ 25% Neon 23% Nitrogen and 3% trace gasses? 2018-12-09T01:34:40.763

12 Thunderstorms, 24/7 2019-07-04T15:22:35.083

11 Can liquid water exist on a planet without atmosphere? 2014-12-09T06:20:46.110

11 Could you fly airplanes on Jupiter? 2015-08-30T15:35:42.840

11 What earth conditions would make a permanent bronze-colored sky? 2015-12-17T00:58:16.867

11 How can I tell if an atmosphere is suitable for life as we know it? 2016-09-26T17:32:43.257

11 Would a rotating ring (halo) help regulate the habitability of a tidal locked planet? 2017-02-12T02:07:33.897

11 Color of the sky 2017-06-13T01:35:38.773

11 Environment suit design for ultra-cold temperatures 2017-11-22T05:34:35.123

11 How do I increase air pressure for the planet Mars? 2018-01-09T01:46:51.840

11 Feasibility of an 'Oxygen Radiation Zone': a non-pressurized natural formation on Mars that provides suitable atmosphere 2018-02-15T02:03:27.167

11 How much hydrogen and oxygen can I add to an atmosphere before it explodes? 2018-10-31T21:20:23.030

11 What color should the snow be in this chlorine world? 2019-02-15T00:32:36.173

10 What would make a sky appear purple during the day? 2015-05-24T00:18:32.107

10 What are the requirements for an atmosphere retaining moon with a stable orbit around an Earth-like planet with non-destructive tidal forces? 2015-07-25T20:21:05.263

10 Giving a Planet Sunburn 2016-12-09T15:46:09.877

10 Is a gas-mask as a spacesuit possible? 2017-04-22T01:14:04.520

10 Pressure suit design that would allow a low pressure-adapted being to survive on Earth? 2017-09-20T19:02:10.243

10 Which astronomical or cosmological event would explain periodical low-grav-effect on earth-like planet? 2017-11-14T09:37:11.840

10 Flight within the shared atmosphere of a Rocheworld, and between the planets, with low gravity wrinkle? 2018-01-23T19:56:18.110

10 What atmospheric density would be required to allow a human being to fly without wings? 2018-05-31T14:14:33.697

10 Will winds always be the same? 2019-03-13T15:09:00.663

10 What light would my cloudy planet receive from a red dwarf star? 2019-03-15T19:39:32.347

10 What's the useful range of atmospheric oxygen content for fire? 2019-05-13T12:26:53.483

10 Would A Biological "Cold Haber" Process Deplete an H2/N2 World of its H2 or N2? 2019-07-22T19:05:23.330

9 Windscreen wipers for atmosphere suits? 2015-10-21T13:24:50.303

9 What is the color of the sky in a hollow earth? 2016-01-07T15:37:55.727

9 What is the color of Venusian sky 50km from surface 2016-12-08T18:50:13.900

9 How does weather change on an earthlike planet with a denser atmosphere? 2017-02-26T17:42:48.723

9 Is this planet's atmosphere stable and reasonable, and anything to keep in mind for lifeforms living in it? 2017-05-04T21:09:26.920

9 Is this atmospheric composition breathable, and what would it look like? 2017-06-05T18:43:45.610

9 How could a Desert planet have an atmosphere? 2017-06-30T17:01:29.207

9 What could cause sudden localized atmospheric pressure change? 2017-10-05T14:07:43.273

9 Flying or swimming in supercritical CO2? 2017-11-28T16:42:49.123

9 Could a permanent storm system circle a planet's equatorial zone? 2018-01-18T20:48:47.903

9 What are the climatological effects to the surface of a planet where the atmosphere gives way to vaccum? (diagram included) 2018-01-24T20:45:30.933

9 How would sunlight work in the area of shared atmosphere of a Rocheworld? 2018-01-29T19:25:59.533

9 Atmospheric mixing on walnut earth 2018-07-19T13:48:26.950

9 What would make radio transmission unfeasible on a planet? 2018-12-20T00:11:53.223