Earth
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Earth is the only planet that can support life. The only moon that Earth has is named Luna. Did you know that Earth's diameter is 7,926 miles. Most of Earth is covered with oceans at least 2.5 miles. Earth's atmosphere is mostly made of 78 percent of nitrogen, 21 percent of air, and has 1 percent of other ingredients that envelopes us. Earth is blue and green. The blue part of Earth is ocean water. The green part of Earth is land. Earth is the only planet who's English name does not come from Greek or Roman mythology. In Roman mythology, the goddess of the Earth was Tellus.