How are volumes of very large samples of matter, such as an entire planet, determined?

0 ⤊

How are volumes of very large samples of matter, such as an entire planet, determined?

2007-02-14 12:54:25 · 3 answers · asked by horses1193 1 in Science & Mathematics ➔ Physics

3 answers

Same as for small samples. Mass divided by volume. The mass is calculated from the gravity and the volume is calculated from measurements, usually optical measurements, of the size.

2007-02-14 13:32:31 · answer #1 · answered by campbelp2002 7 · 0⤊ 0⤋

From the diameter, using the usual formula for volume of a sphere.

2007-02-14 12:58:09 · answer #2 · answered by Anonymous · 0⤊ 0⤋

A WHOLE LOT OF MATH. Such as distance, dimensions... and a whole lot of other sh*t...

2007-02-14 13:07:36 · answer #3 · answered by Anonymous · 0⤊ 0⤋