How does the earth & other planets be held up by the Sun's gravity?

Subject: How does the earth & other planets be held up by the Sun's gravity?

Date: Wed Feb 6 19:54:11 2002
Posted by Melanie
Grade level: 10-12 School: Burlingame Intermediate School
City: Burlingame State/Province: CA Country: USA
Area of science: Astronomy
ID: 1013043251.As

Message:


if it was true that earth and other planets in the orbit is held up by the 
sun's gravity fields, then how are we able to test it in order to prove that it 
is true? 

Thank you, I appreciate your help!

Re: How does the earth & other planets be held up by the Sun's gravity?

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