Armageddon: the real story

Asteroids on the attack!

History of asteroid impacts

Optimists vs. pessimists

Finding asteroids

Making sense of the menace



Related Why Files
Life in the Mars Rock?


More on the asteroid search.

Beyond the Blue Horizon: Myths & Legends of the Sun, Moon, Stars and Planets, E.C. Krupp, Oxford University Press, 1991.

Hazards Due to Comets and Asteroids, Tom Gehrels, editor, The University of Arizona Press, 1994.

Impact! The Threat of Comets and Asteroids, Gerrit Verschuur, Oxford University Press, 1996.

A Message from God: NASA Radio Telescope Picks Up Mysterious Transmission from Deep Space: The Asteroid Story the Government Doesn't Want You to Read, Weekly World News, March 7, 2000, cover story.

Rocks from Space, O. Richard Norton, Mountain Press Publishing Company, Missoula, Montana.

Worlds in Collision, Immanuel Velikovsky, Macmillan, 1950. Peter Schultz, Science, 10 December, 1998.

Read Michael Paine's impact simulation that caused the latest fuss. Here's an article on the software.

Spaceguard had ambitious plans for -- you guessed it.

The Spacewatch Project tracks 'roids.

Dittoth Near-Earth Asteroid Tracking and the Near-Earth Objects project.

How do we know a crater was caused by cosmic impact?

Planets found beyond the solar system(?)

A nice portrait of asteroid 243 Ida and its bitty moon.

The amazing promise of X-ray astronomy.

Orbit on past our credits page.

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The Why Files

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