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It is based upon the way a day is defined on Earth.
It is: either 1) the amount of time that it takes the planet to make one full rotation on its axis. That's a "sidereal day".
or 2) the (average) time between successive culminations (highest point reached above the horizon) of the Sun in the sky. That's the "solar day".
For most planets there's not much difference. However, for Mercury and Venus the difference is huge.
Wiki User
∙ 10y ago
Wiki User
∙ 10y agoFrom its speed of rotation.
A day is determined by how long the planet takes to make one full rotation around its axis.
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What is determined by the earth's revolution and angle of tilt?
The length of the day and the length of the seasons
The pitch of a sound is determined by its wavelength and speed together or its alone?
The pitch of a sound can be determined by its frequencyalone.
How do the seasons effect the length of days?
The longer the day the solar radiation is absorbed and the higher the temperature.
Why do different areas of Earth receive different amounts of solar radiation?
1) The angle at which the sunlight hits the ground (more acute as you approach the poles. 2) The variable length of "day". 3) Terrine, the planet is not smooth.
How much does a 3 x 3 foot granite boulder weigh?
with only length and width it cannot be determined.
If the entire population of world moved to antarctica would it affect th length of day if so how?
It would have zero effect.The length of a day is determined by one's location on the planet.
Is this true or false the length of a planet's year is determined by how fast it spins?
False, the speed it spins on it's axis determinds the length of day. The speed it rotates the sun determinds the length of it's year.
What planet's length of its day is close to the length of Earth's day?
Mars
What planet length in day is close to the length of earths day?
Mars.
What is determined by the earth's revolution and angle of tilt?
The length of the day and the length of the seasons
What is the relationship between the length of a planet's day and the rate of planet's rotation?
Yes; the faster the planet rotates, the shorter its day will be.
Does each planet have the same length of day?
No
Why does the length of the day and night vary from planet to planet?
Because of the difference in speed of rotation of each planet.
What would you define the length of a planets day?
by the rotation of the planet
What movement of the planet makes one day as a unit of time?
It is the rotation of the planet one complete revolution that determines the length of a day.
What is the length of a day on each planet?
The length of time it takes to complete one full rotation
How does the movement of the earth affect the length of its day and its year?
the tilt of the planet
