Why is the Earth Tilted at 23.5 Degrees?

Answer

One theory explains that the earth is tilted at an angle of 23.5 degrees because it collided with a celestial body like the moon. In addition, the tilt of the earth's axis is responsible for the annual changes in the seasons.
Q&A Related to "Why is the Earth Tilted at 23.5 Degrees?"
At the moment the Earths tilt - or Axial tilt - is about 23.4. o. but it has not always been that value. Over a million years it has varied between 22. o. and 24. o. So why the tilt
http://wiki.answers.com/Q/Why_is_the_earth_tilted_...
The tilt of the Earth changes, due to torques imposed by other bodies in the solar system. The moon tends to stabilize the Earth's tilt, keeping it within a narrow range. The current
http://answers.yahoo.com/question/index?qid=200702...
When the Earth was being formed, a lot of impacts of rocks occurred and led to
http://www.chacha.com/question/why-is-the-earth-ti...
I like this question. It has a lot of possibilities for inquiry into how the solar system and the earth work. To answer the first part about why the earth is tilted, I have included
http://www.madsci.org/posts/archives/2001-10/10022...
Explore this Topic
The reason as to why the Earth is tilted cannot be explained. The Earth is tilted at an angle of 25 degrees, hence it allows for the occurrence of the four seasons ...
The Earth's axis is an imaginary line that extends from the North to the South Pole. Earth's axis is tilted 23 degrees, therefore, the North and South poles are ...
We normally have seasons on earth because the earth is tilted as it makes its yearly rotation around the sun. This tilt which is at an angle of 23.5 degrees means ...
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