Questions tagged [earth-rotation]
66 questions
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Does Earth's core actually turn "backwards" at times?
Recent news articles related to this paper report the claim that Earth's solid inner core sometimes rotates backwards. The literal claim (as it appears in headlines) seems to make no sense given a basic understanding of friction and conservation of…
Anthony X
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Is daylight time symmetrical between northern and southern hemisphere?
At lat +50.0 on Jun 21 and lat -50.0 on Dec 21 is the time between sunrise and sunset exactly the same? And so on throughout the parallels and the days of the year?
If not can you explain why? I once read something about the earth's wobble on its…
Joe C
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Earth rotation speed on the same longitude
Do all points on the earth surface have with the same longitude the same day and night times, i.e. does the earth rotate around it's own axis with the same speed for all points on the same longitude?
Student
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Query about inclination in Earth's axis of rotation
Earth revolves around the Sun in a elliptical path, situated on one of the Sun's focal points. If Earth is considered as a large body with mass attracted towards the Sun's core causing its revolution and rotation, what is the reason behind an angle…
user637827
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why we don't have solar eclipse every month?
The moon takes about a month to orbit around the Earth. So why we don't have solar eclipse every month?
karthikdivi
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Has extracting oil and mining changed the earth rotational speed?
NASA has calculated that the Three Gorges Dam in China dam slows the Earth's rotation by 0.06 microseconds (reference https://www.kinetica.co.uk/2014/03/27/chinese-dam-slows-down-earths-rotation/).
Has extracting oil and mining changed the Earth's…
Techboy
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We know that the earth is rotating from west to east.Has the earth ever rotated from east to west in past,or any possibilty it may in future?
We know that the earth is rotating from west to east (anti-clockwise) Has the earth ever rotated from east to west in past,in early times after earth has formed? And/or is there any scientific foresight that the earth may rotate from east to west…
S. Y.
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Flight time differences between flying east and flying west
Why is it that flying west takes longer than flying east despite the fact that the Earth is rotating eastward around its own axis? I had always thought flying west would take shorter than flying east but after a few round trips from New York to San…
Centaurus
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Earth revolve Around the sun.
Why earth revolve around the sun in oval axis. Why not in round axis? If the gravitational force of the sun is same at every place .
Vikash Khurana
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Which are the equations needed to calculate how much moving Earth's water with dams would change Earth's rotation speed?
According to this article Drops of Jupiter
Raising 39 trillion kilograms of water 175 meters above sea level will
increase the Earth’s moment of inertia, and thus slow its rotation.
However, the impact will be extremely small. NASA scientists
…
Pablo
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