SPACE: Few watery Earths?

From: Robert J. Bradbury (
Date: Fri Apr 27 2001 - 14:29:56 MDT

The odds may have tipped regarding the abundance of wet
Earth-like planets in the galaxy. The presence of "O"
class stars releasing lots of UV radiation within the
large gas clouds where most stars and planets are believed
to form may ruin the development of both comets and gas giants
(comet catchers) in solar systems like our own.

See the New Scientist summary:

Background articles:
  Planetary Formation in Dense Clusters: Evidence for the Earliest Stages
  Throop, H. B.; Bally, J.; Esposito, L. W.; McCaughrean, M. J.

  Sandcastles in the Wind : Frustrated Small-Particle Growth in
   Circumstellar Disks
  Throop, H. B.; Bally, J.; Esposito, L. W


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