Earth

The Earth is our home. It is the only place in the entire universe confirmed to have life. It orbits the sun once every 365 days and completes a full rotation every 24 hours. WRONG. It orbits the sun once every 365.25 an a  days and completes a full rotation every 24 hours and 56 minutes. It has one moon, Luna. The Earth is 32.1% Iron, 30.1% Oxygen, 15.1% Silicon, 13.9% MAGNESIUM, 2.9% Sulfur, 1.8% Nickel, 1.5% Calcium, 1.4% Aluminum, and 1.2% other elements. Earth had rings 466 million years ago.  There have been 5 mass extinctions on Earth, Ordovician-Silurian: 440 million years ago, Devonian: 365 million years ago, Permian-Triassic: 250 million years ago, Triassic-Jurassic: 210 million years ago, and Cretaceous-Tertiary: 65 million years ago. Earth has 5 nonillion prokaryotes. An asteroid called apophis has a low chance of colliding with the earth in 2029.