physics question #2049

Kaixin, a 13 year old female from Muar asks on April 15, 2004,

Q:

Are Sedna and Quaoar two new planets?
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the answer

Barry Shell answered on April 16, 2004, A:

Yes, though they are called planetoids as they are smaller than the Earth's moon. You can find out a lot more at Space Today Online.

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