Questions tagged [atmosphere]

Questions regarding an envelope of gasses surrounding a celestial body held in place by the body's gravity.

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60 views

What are InSight's barometric and seismic digitization rates and frequency responses when it “listens to the wind”?

News of the "sound of the wind" on Mars is all over the internet today. If you read the fine print, it's really better described as rapid cadence barometric pressure measurements then sped up by a ...
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69 views

Would the atmosphere of Mars become less dusty if the ice deposit in Utopia Planitia could be uncovered?

In 2016 a large ice deposit has been found within the Utopia Planitia region on Mars by the SHARAD instrument on board of the Mars Reconnaissance Orbiter. The thickness of the deposit ranges from 80 ...
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How much CO₂ could the wind through a tunnel within the deposit near the south pole of Mars sublimate?

Within the CO₂ deposit near the south pole of Mars, according to this article 3 subunits have been found with one having the top CO₂ layer of about 300 meters thick covered by a water ice layer with a ...
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148 views

What would the effect be if we placed all of our greenhouse gases on Mars?

I don't know how much greenhouse gases are on our planet but what would happen to Mars if we could contain the gases on Earth somehow and transfer it to the surface of Mars? Ignoring the fact that ...
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131 views

Faster alternative to travel to any location in the west

Suppose one needs to travel to Somalia from Indonesia(which are approximately at a distance of $4000$ miles from each other on the line of equator). To accomplish this task, I suggest the following ...
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165 views

How will Mars terraforming missions really work, how do pioneers like SpaceX plan on conquering Mars? [duplicate]

We know Mars is now dead in the water (or space), it is now merely an oversized rock hurtling through space, with a bit of atmosphere. I was reading up on terraforming the planet, and learned that ...
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371 views

How much soil can be supported by an inflatable habitat on Mars?

What weight of Martian soil can be supported by the top of an inflatable habitat pressurized at Earth's atmosphere? While habitat's shape is a huge factor, this has 20 meter modules, semi-cylindrical ...
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2answers
543 views

Will Mars ever become breathable for humans?

There are some proposed methods like extracting oxygen from ice in polar caps getting it from the CO2 found in Mars' atmosphere or ... But let's say we finally find a feasible method to produce ...
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1answer
110 views

What exoplanet atmospheres might support life beside our nitrogen and oxygen atmosphere? [closed]

What exoplanet atmospheres might support life beside our nitrogen and oxygen atmosphere? Related question: Could an exoplanet atmosphere be very similar to our own, but contain some component toxic ...
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How to derive wind variation equation in the planetary rotating atmosphere

In this picture is the equation of wind variation on rotating earth atmosphere. Does anyone know how to get this equation ? what is the basic idea ? Thank you
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Shirtsleeves environment in Martian caves [duplicate]

Are there currently any places on Mars (that we know of) that are deep enough and warm enough that a human could survive with only an oxygen mask? Are there any caves, trenches, or valleys deep enough ...
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187 views

How would a body be stored in a dark hole in the moon?

How well would the human body stay preserved if it was frozen while pressurized and vacuum sealed before being placed in a crater on the Moon? Would the temperature be more reliably stable on the moon ...
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124 views

Are there “Space Jellyfish” in Florida? Would they be possible?

The Wikipedia article Space Jellyfish shows the image below with the caption: A California space jellyfish from 22 December 2017 I think that when other Q&A here have shown similar space ...
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Is there any reason other than lack of oxygen Tardigrades can't survive Mars?

If Cyanobacteria or Lichens can survive on Mars could other small organisms like the Tardigrade then survive & flourish among them? Due to the thicker atmosphere to be found the bottom of the ...
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Neural networks applied to micro satellites missions [closed]

I'm really interested in micro satellites, but I'm a beginner. So, for the year-end project of a course called "Neural networks" at University I want to do something related with this. I searched a ...
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131 views

How to waterproof a rover?

What changes would be needed to a late model rover to enable it to function under water? What would prevent a rover from functioning under water as is? related: https://astronomy.stackexchange.com/...
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218 views

Will the sinking of a nuclear reactor into the CO$_2$ deposit on Mars cause a huge explosion? [closed]

Within the CO$_2$ deposit near the south pole of Mars, according to this article 3 subunits have been found with one having a top CO$_2$ layer of about 300 meters thick covered by a water ice layer ...
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183 views

Does a credible Kármán plane reach escape velocity within 1 minute or does it follow the curvature of the Earth? [duplicate]

Edit: This question is no duplicate because here the dropping of the atmospheric density together with the horizontal line, play an important role. Furthermore none of the answers and question ...
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308 views

What pushes back on rockets? [closed]

Discussion: I have removed the parts of the question regarding landing and the conic nozzle. Adding in those issues makes the question too broad. No, it makes the question meaningful. It's an ...