All Questions
Tagged with earth atmospheric-science
87
questions
2
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256
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How has the Earth's air pressure varied over geological time scales?
It is estimated that the Earth is losing about $5 \times 10^7 kg$ per year. Most of it due to hydrogen loss. I suppose this has an impact on the pressure of the atmosphere in general.
Thus, I am ...
CommunityBot
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8
votes
2
answers
590
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Air pressure at ground level at the equator and the poles
At the equator at sea level you are about 17 miles higher up than at the poles ie 17 miles further from the center of the earth. Yet the air is not the same as it would be 17 miles up at a higher ...
- 207k
0
votes
1
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88
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Has a heavier atmosphere and the relocation of oil around the Earth had a measurable effect on the rotation of the Earth?
I am wondering if the man-made carbon emissions put in the Earth's atmosphere over the past 100+ years, and also the relocation of oil around the Earth over this same time period, has had any ...
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1
vote
1
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Earth is rotating [duplicate]
Possible Duplicate:
Why does the atmosphere rotate along with the earth?
If i take off from land on a helicopter straight above the earth surface to a certain height and stay there for few mins/hours ...
- 207k
0
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1
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46
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Is this Volcanic or Impact winter management proposal right? [closed]
In case of a volcanic winter where a VEI 8 volcano releases large amounts of SO2 and H2S into the stratosphere making it react with OH and H2O to form sulfuric acid (H2SO4) wich would prohibit most of ...
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-3
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1
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What is causing the Trumpet Sounds that are emited from the sky?
In these last years, a phenomenon have appeared in several countries (US, Canada, Australia, Russia, Germany, and others).
It consists of sounds like a trumpet coming from our own planet's sky.
[Many ...
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2
votes
1
answer
77
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How large would the earth have to be to retain hydrogen?
How high would the earth's escape velocity have to be to retain hydrogen or helium over geological timescales?
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3
votes
1
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53
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Does a planet's "equatorial bulge" induce any kind of motions or currents in the atmosphere?
Rotating planets, like the Earth, are not perfect spheres but are instead oblates. This affects both the crust and the atmosphere, creating a bulge in the equator 1.
I was wondering if there are ...
- 21.4k
3
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1
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What causes the perceived intensity of the sun to change on a short timescale?
I was inspired by this question to ask, what causes the "beating down" feeling of the sun to vary day to day? While the linked post explains why the sun feels hotter in the summer than in the winter, ...
4
votes
2
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535
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Have rocket float into upper atmosphere via balloon [duplicate]
I'm assuming a majority of the fuel used in a rocket to say get to the moon is involved in escaping earth's gravity.
So why can't we create a smaller weighing rocket, with less fuel to carry and ...
- 207k
2
votes
5
answers
161
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Paradox about greenhouse effect?
I know about the greenhouse effect, but isn't earth receiving the same amount of energy but getting hotter than with that same amount of energy?
My guess is that earth reflects less light, but then ...
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0
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3
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312
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Doesn't Increase of Potential Temperature with Height contradict Adiabatic Nature of Processes within Troposphere?
According to my education as a sailplane pilot our troposphere is in good approximation subject to adiabatic processes.
Using adiabatic equations of (nearly ideal) ...
16
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4
answers
4k
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Does dusk really remain for a shorter period of time at the equator?
It is said that the dusk remains for shorter time at equator than the poles. Because, the equator rotates faster than poles. But it is also true that time is the same in every latitude, and if it's ...
- 101
5
votes
2
answers
421
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How much solar irradiance do clouds block from reaching the Earth's surface?
Consider a fixed point in the Milankovich cycle and the solar cycle, a fixed Earth-Sun distance, and a fixed horizontal location on Earth, and assume that the Sun is at the zenith for that location. ...
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3
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1
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Using the sky and ground as a battery
Since there is a voltage difference between the ground and sky, shouldn't I theoretically be able to light a bulb by connecting one terminal to the ground and raising the other one to the sky (via a ...
- 207k