All Questions
5
questions
0
votes
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Can gravity of planets besides Sun and Moon affect tides on Earth?
The tides in some places on Earth are over 50 feet. If the gravity from Venus had a ten thousandth the affect of the Sun and Moon on a 50 foot tide it would make a difference of one twentieth of an ...
- 481
2
votes
2
answers
255
views
What is the difference of gravity between lowest tides and highest tides?
I know tides are due to gravitional gradients so the difference of gravity between places does not need to be big in order to generate tides.
Regardless, what difference are we talking about, ...
- 3,236
1
vote
1
answer
64
views
How much the Earth atmosphere oscillates due to Moon tidal force and does this produces winds?
As there is the tidal force of the Moon exerted on the Ocean water I supose there must be some force acting to the Earth's atmosphere. So when the atmosphere starts falling down as the Moon is ...
- 2,255
4
votes
1
answer
515
views
How far has Earth moved from its birth orbit?
It says earth is almost as old as 1/3 of the universe's age which would mean 4.5 billion years .
So how far has earth moved towards or away from the sun in these 4.5 billion years?
Now perfect ...
- 838
21
votes
3
answers
11k
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How quickly was the Earth rotating 250 million years ago?
The Earth is slowing at a rate of $4.7\times10^{-4}$ miles per second every 100 years due to tidal forces of the moon.
See:
http://en.wikipedia.org/wiki/Earth%27s_rotation
http://imagine.gsfc.nasa....
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