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6 June 2010

Solar System Tour: Earth

This is Earth, the third planet from the sun. I’m hoping, of all the planets, you’re most familiar with this one. Hopefully, though, you’re about to learn a little more about home. When seen from space, one of the most striking features of the Earth is all the water. Our planet’s surface is about 70% water. Earth is the only planet known with liquid water currently on the surface. Mars …


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4 June 2010

Solar System Tour: Venus

Venus is the second planet out from the sun, and is just slightly smaller than Earth. It is 12,102 km across, which is about 95% the size of earth. You can see Venus in the sky in the morning or evening as a very bright “star”. In fact, for a long time it was called the “morning star” or “evenstar”. It is always pretty close to the sun in the …


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