Topics » Science & Technology   Dec. 15, 2011

Asteroid Vesta Revealed

comparing asteroids

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comparing asteroids

Asteroid Vesta came so close to evolving into a planet that it is considered a protoplanet. This composite image shows the comparative sizes of nine asteroids. Vesta, wich has a diameter of 330 miles, dwarfs all other small bodies in this image. Until now, Lutetia, with an 81-mile diameter, was the largest asteroid visited by a spacecraft.

Photo Essay

Photo Essay