Earth Sciences and Ecology Question #1616
Bobbi Jo, a 16 year old female from Wyalusing asks on October 11, 2003,
With the volume of the earth, how many baseballs can fit inside it?
viewed 15499 times
answered on November 12, 2003
The mean radius of the earth is approximately 6.4 million meters (exact = 6.378 x 10^6 m). The formula for the volume of a sphere is 4/3pi x radius squared. The Earth's volume is then:
(4/3) x 3.14 x 64000003 m3
This comes to 1,097,509,500,000,000,000,000 cubic meters. Needless to say, this is very large! If you say that a baseball is about 10cm in diameter, then it would fit into a 10cm cube. This is an approximation. In one cubic meter there would be 10x10x10 of these, or 1000, so you could fit 1,097,509,500,000,000,000,000,000 baseballs into the Earth.
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