The Earth, The Moon and The Sun

Earth

• It is the only planet that has an atmosphere containing 21 percent oxygen.
• It is the only planet that has liquid water on its surface.
• It is the only planet in the solar system that has life.
• The Earth is the only inner planet (Mercury, Venus, Earth and Mars) to have one large satellite, the Moon.

Diameter:	3,475 km
Mass:	7.35 × 10^22 kg (0.01 Earths)
Orbits:	The Earth
Orbit Distance:	384,400 km
Orbit Period:	27.3 days
Surface Temperature:	-233 to 123 °C

Moon

• The Sun accounts for 99.86% of the mass in the solar system. ...
• Over one million Earth's could fit inside the Sun. ...
• One day the Sun will consume the Earth. ...
• The energy created by the Sun's core is nuclear fusion. ...
• The Sun is almost a perfect sphere. ...
• The Sun is travelling at 220 km per second.