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About 4 million years ago.

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12y ago
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Q: How long ago did the Earth's rotation only take six hours?
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If the earth has rotated 183 times and only 182.5 days have gone past how long does it take for 1 rotation of the earth?

The Earths sidereal rotation period is 23 hours and 56 seconds. = =


Why is a day on Jupiter only 10 hours long?

This simply means that Jupiter rotates so fast that it takes about 10 hours (10 of our hours) for a full rotation.


Which planet has the shortest rotational period?

Jupiter is the planet with the shortest rotation time. It rotates once every 9 hours and 50 minutes.Jupiter in the planet with the shortest rotation time, with a day approximately 12 hours long.


Does the earths rotation cause the Moon's phases?

Not only the earth's rotation , the lunar phases change cyclically as the Moon orbits the Earth, according to the changing positions of the Moon and Sun relative to the Earth.


Does the earths rotation slow down from a hurricane?

no it is extremely unlikely (1 out of 1000000000000) it is only the things on eart e.g. counttrys which get effected


What statement is true about Earth's poles?

Only the magnetic poles wanderD.Earth's magnetic and geographic poles are generally not in the same place.Geographic poles are defined by Earth's rotation.


What is true about earths poles?

Only the magnetic poles wanderD.Earth's magnetic and geographic poles are generally not in the same place.Geographic poles are defined by Earth's rotation.


How long does it take Jupiter to spin 1 period of rotation?

jupiter is the fastest spinning planet. despite the large size, it only takes 9 hours and 55 minutes to do a full rotation. this meaning the surface is moving at 45,000 km/h.


How long is the rotation of venus in hours and days?

Venus rotates once every 243 Earth days but from one sunrise to the next would be only 116.75 Earth days


What is the planet Ceres' rotation and revolution?

The sidereal rotation period of Ceres is about 9.075 hours. See related link for more information


How long is meteors rotation?

A meteor is a chunk of something burning up in the Earth's atmosphere. It's kind of pointless to wonder about their rotation, because they only exist for a couple of seconds anyway.If you meant an asteroid ... it depends on the asteroid. 1 Ceres, for example, rotates in about 9 hours; 2 Pallas in a bit under 8 hours; 3 Juno in about 7 hours 12 minutes, 4 Vesta in about 5 hours 20 minutes, and so on. You shouldn't think they're all fast (compared to Earth) either; 10 Hygeia's rotation period is longer than Earth's by over three and a half hours.


Why were there only 20.6 hours in one Cambrian period day?

In the Cambrian period, the Earth was spinning faster due to tidal forces, causing days to be shorter. The 20.6-hour day duration is an estimate based on the geological record and astronomical models.