Astrobiology News 31 October 2006

  • PAHs in Galaxies: their Properties and Evolution,
  • Binarity as a key factor in protoplanetary disk evolution: Spitzer disk census of the eta Chamaeleontis cluster,
  • The Possible Belts for Extrasolar Planetary Systems,
  • On the nature of clumps in debris disks,
  • Planet Formation with Migration,
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