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 ...
Seasons occur on Earth because the planet is tilted on its axis at just over 23 degrees. Both the Southern Hemisphere and the Northern Hemisphere are tilted closer ...
The moon is important to the earth because it controls the ocean tides, it also gives the earth a stable axial tilt and it contains metal deposits which are needed ...
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