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๐
โ๏ธ Solar System
Planet Earth
The only known planet to harbour life; 4.5 billion years old; third rock from the Sun
Solar System ๐ 4.5 Billion Years Ago Solar System
Key Facts
- 1
3rd planet from the Sun; only known planet with life; 71% covered by water
- 2
One natural satellite (Moon): largest moon relative to planet size; stabilises Earth's axial tilt
- 3
Earth's magnetic field shields us from solar wind; without it, the atmosphere would be stripped away (like Mars)
๐ Did you know? Earth is the densest planet in the Solar System and the largest of the four rocky (terrestrial) planets
Quick Reference
Category
Solar System
Region
๐ Solar System
Year / Era
4.5 Billion Years Ago
About
The only known planet to harbour life