Earth
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Overview
Earth is, at present, the only known habitable planet in the universe.
Related Pages
- Global warming is one of many significant threats to civilization.
- Gaia theory
- There are countless myths and a smaller number of theories explaining or describing the creation of the Earth and the universe.
- Young Earth theory gives the age of the Earth as being on a similar scale to that of human history, with the Earth being typically less than 10,000 years old.