• 3/25/25 3:49 am
- 4.8k views • 13 today
- save_alt 1.8k downloads • 5 today
- Progress
- 100% complete
65
Earth is the third planet from the Sun and the only known celestial body to support life. Here are some key facts about our home planet:
Basic Characteristics
Basic Characteristics
- Size & Mass: Earth has a diameter of about 12,742 km (7,918 miles) and a mass of 5.97 × 10²⁴ kg.
- Atmosphere: Composed mainly of 78% nitrogen, 21% oxygen, and traces of other gases like carbon dioxide and argon.
- Surface Composition: About 71% of Earth's surface is covered in water, with the remaining 29% being land (continents and islands).
More like this
6570320
2




Have something to say?