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Asteroid Belt
2004-10-19 04:45:41

Asteroid Belt -- The Asteroid belt is a region of the solar system falling roughly between the planets Mars and Jupiter where the greatest concentration of asteroid orbits can be found. It is believed that, during the first million years of the solar system history, planets formed by accretion of planetesimals. Ripetute collisions led to the familiar rocky planets and to the gas giant's...

Word of the Day
sipe
  • a slit in a tire to drain away surface water and improve traction.
The word 'sipe' comes from Old English and is related to 'seep'.
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