THIS STORY HAS BEEN FORMATTED FOR EASY PRINTING

The comets' tale

Maybe the dirty snowball theory is wrong

By David L. Chandler
Globe Correspondent / April 10, 2006

E-mail this article

Invalid E-mail address
Invalid E-mail address

Sending your article

Your article has been sent.

Text size +

Three fly-by missions since 2001 have confounded almost everything astronomers thought they knew about the makeup of comets. (Full article: 823 words)

This article is available in our archives:

Globe Subscribers

FREE for subscribers

Subscribers to the Boston Globe get unlimited access to our archives.

Not a subscriber?

Non-Subscribers

Purchase an electronic copy of the full article. Learn More

  • $9.95 1 month archives pass
  • $24.95 3 months archives pass
  • $74.95 1 year archives pass