Artist's Conception of Earth-crossing Asteroid (IMAGE)

Center for Astrophysics | Harvard & Smithsonian

Artist's Conception of Earth-crossing Asteroid

Caption

Asteroids that cross Earth's orbit, like the one shown in this artist's conception, threaten to impact our planet. The new Pan-STARRS observatory offers our first line of defense, surveying huge swaths of the sky every night looking for moving objects.

Credit

David A. Aguilar

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