Earth in Space
⭐ MasteredEarth is the only known planet with life. It has liquid water, breathable air and just the right distance from the Sun. About 71% of its surface is water.
Earth is tilted, which gives us seasons.
All about Earth in Space
Earth is the third planet from the Sun and the only known place in the universe where life exists. It has liquid water, a protective atmosphere and a distance from the Sun that allows water to stay liquid. About 71% of the surface is covered by water.
Earth spins on its axis once every 24 hours and orbits the Sun once about every 365 days. It also has a strong magnetic field that protects us from harmful particles from the Sun.
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Real-life uses of Earth in Space
- Understanding why life can exist here
- Using satellites to monitor weather and climate
- Searching for similar planets elsewhere in the galaxy
Frequently asked questions about Earth in Space
How old is Earth?
About 4.5 billion years old.
Why is Earth called the blue planet?
Water covers most of its surface, and the water and clouds reflect blue light when seen from space.
Is Earth the biggest planet?
No. Earth is the fifth-largest planet. Jupiter is the largest.