Gravity and You
Your weight on Earth is determined by your mass and Earth's mass. Would you weigh more or less on the Moon?
Why are the planets named for Roman gods? Is there a story or myth about the sun? Click image or here for Planet Myths and Lore.
Close Encounter with Mars
Every two years or so the Sun, Earth and Mars line up. This is called an opposition. In 2003, Earth and Mars were really close.
Click image or here for Mars Opposition 2003 page. (Hubble ST image)
Are There Planets Like Earth Around Other Stars?
Could the Earth and an Asteroid collide?
Planetary Scavenger Hunt!
You will need to gather some facts,
compare your data and answer some questions.
Click here to blast off!
|Quick Facts about the Earth|
|Mass||5.976 x 1024 kg|
|Volume||1.087 x 1012 km3|
|Temperature Range||-69° C to 58° C|
|Atmospher||Mostly Nitrogen and Oxygen|
|Average Distance from Sun||149,597,870 km|
|Orbital Period||1 Year, 0 Days, 0 Hours|
|Rotation||23 Hours 56.1 Min|
|Composition||Iron Core, Silicate Surface|
|Magnetic Field||Up to 362000 km from Surface|
Click below to find out more about the Moon and the Sun:
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Kids' Cosmos… Expanding Minds Beyond the Limits of the Universe
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