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View Full Version : Oldest Planetary Disk Discovered



Fraser
2005-Sep-07, 03:17 PM
SUMMARY: Astronomers from the Harvard-Smithsonian Center for Astrophysics have found a dusty disk around a star which is 25 million years old. Planetary disks like this have been seen before, but never around a star which is so old; it's possible it'll never form planets. Most planetary disks make the transition within just a few million years, and the previous record was 10 million years. The disk still has a lot of gas in it, so researchers think it's still possible that it could form gas giants.

View full article (http://www.universetoday.com/am/publish/25_million_years_dust_disk_form_planets.html)
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