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Ezio3.1415
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What would be the effect on day night period if there were no atmosphere? I mean would the days become longer or shorter? Why?PS:Admims,Trust me its not my homework...
Oh, interesting.russ_watters said:Depending on how precise you want to be, you'd get a few less minutes of the sun being up due to the elimination of atmospheric refraction. Roughly 1 solar diameter at the horizon equals about 4 extra minutes each at sunrise/sunset:
http://en.wikipedia.org/wiki/Atmospheric_refraction
No, its angular momentum would also be less, so there would be no change.Ezio3.1415 said:The Earth's moment of inertia would be less,so angular velocity must increase to conserve the angular momentum...
Conserve from what? We have to make up a story about how it lost its atmosphere or came to exist without one without changing its angular momentum. Now this is just idle speculation and storytelling.Ezio3.1415 said:The Earth's moment of inertia would be less,so angular velocity must increase to conserve the angular momentum...
No, why should it. The atmosphere has angular momentum. If it didn't exist then the Earth would have less angular momentum.Ezio3.1415 said:now the Earth has to rotate with its atmosphere... So wouldn't the 'w' be a higher value if there's no atmosphere...
The atmosphere plays a crucial role in sustaining life on Earth. It provides us with oxygen to breathe, regulates the planet's temperature, and protects us from harmful radiation from the sun.
If there were no atmosphere, the Earth's surface would be exposed to extreme temperature fluctuations. The lack of oxygen would make it impossible for most living organisms to survive. The absence of the atmosphere's protective layer would also lead to increased levels of radiation and meteorite impacts.
No, weather patterns and phenomena such as clouds, rain, and wind are a result of the atmosphere's interactions with the sun's energy. Without an atmosphere, there would be no weather on Earth.
The water cycle relies on the atmosphere to transport water vapor from the Earth's surface to the atmosphere and back through precipitation. Without an atmosphere, the water cycle would not exist as we know it, resulting in no rain or other forms of precipitation on Earth.
Yes, there are several planets in our solar system, such as Mercury and the Moon, that have little to no atmosphere. However, these planets are not capable of supporting life as we know it. The presence of an atmosphere is crucial for the sustenance of life on a planet.