Evaporating planet around the star HD209458

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Cassini snapped views of Saturn's moons Enceladus and Tethys.
M87 black hole
Messier 27

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Asteroid Thruster
The week on StarDate: One researcher says that when it comes to protecting Earth from asteroids, Hollywood has the right idea: Nuke 'em! Join us for ways to explore the asteroids, the Sun's influence on their orbits, and ways to blast them out of the sky.

Listen to Recent Programs
Sep. 1: Hanging On

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Aug. 31: Spacewatch

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Aug. 30: Sierra Madera

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Aug. 29: Nova Cygni 1975

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Aug. 28: Barnard's Menagerie

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In Print

cover of September-October 2010 issue
Just Passing By

In the September/October issue of StarDate magazine, editor Rebecca Johnson introduces you to a giant cloud of comets surrounding our solar system in “Comet Cloud-y Skies.” And astronomer Ken Croswell returns to fill you in on some extrasolar planets orbiting their stars backwards in “Wrong-Way Planets.”

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