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What is the Earth's path about the galaxy.

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by

Joselyn Guzman

on 19 September 2013

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Transcript of What is the Earth's path about the galaxy.

photo credit Nasa / Goddard Space Flight Center / Reto Stöckli
Astronomy
Earth's path .
The galaxy has thousands of light years.
The revolution of the earth around the sun.
The 4 seasons revolve around the sun such as winter , autumn, spring and summer.
Precession
Earth's axis maintain approximately the same angle.
Nutation.
Nutation is in astronomy, a small irregularity in the precession of the equinoxes.
Barycenter
The common center of mass around which two or more bodies revolve.
Earth rotates on an imaginary line that passes through the North and South poles of the planet.
Seasons Opposite
The earth is tilted on its axis depending on the year. The first half is tilted to the sun and the other half is tilted away.
Sun Produce Energy
The sun produces energy
Plants
Food Web
The sun is the main source of energy. It gives energy to the producer (plants) then it go's to the herbivore then 10% of the energy.
Rotation.
The slow movement of the axis of a spinning body around another axis due to a torque acting to change the direction of the first axis.
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