Planet Earth is many times referred to as the third "Rock" from the sun, and is very
unique in many ways. It is the only planet scientists know that can support life due to
the water and the oxygen in its atmosphere. Unlike the other planets closest to or
furthest to the Sun, Earth sits at an ideal distance from the Sun. Earth for its size is
very heavy due to the large iron core at its center. The created sttrong magnetic field
forms a shield for Earth, from harmful particles caused by the Sun. Water covers
about 70 percent of Earths surface. The mixture of the waters vapor and other gases
on Earth,promotes the atmosphere we all experience.
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