Good news, Humpty-Dumpty. Bad news, SpongeBob.

Egg-shaped and non-porous asteroids more likely to survive a massive impact. Well, partially survive. I found this at a poster at the American Geophysical Union Fall Meeting, 2012. http://blogs.agu.org/geospace/2012/12/04/egg-shaped-asteroids-more-likely-to-survive-impact/

Asteroid impacting earth. Artist's conception.

Asteroid impacting earth. Artist’s conception.

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