Asteroids

February 2014, Vol. 10, No. 1

Asteroids number in the millions. Orbiting the Sun between Mars and Jupiter, they are thought to be the shattered remnants of small bodies formed within the young Sun’s solar nebula and that never accreted large enough to become planets. By presenting several case studies, this issue presents what we know about the physical and chemical compositions of asteroids and how they are related to meteorites and planet formation. We show why these “minor bodies” are key to understanding how the Solar System formed and how it works; why they are clues to the origin of life, having possibly delivered organics and water to Earth; and why the international space agencies have funded sample-return missions to asteroids.

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Order your copy of the February 2014 issue of Elements magazine today and uncover the mysteries of asteroids.