Astronomers Debate Whether Oldest Known Dust Disk Will Ever Form Planets

Every rule has an exception. One rule in astronomy, supported by considerable evidence, states that dust disks around newborn stars disappear in a few million years. Most likely, they vanish because the material has collected into full-sized planets. Astronomers have discovered the first exception to this rule - a 25-million-year-old dust disk that shows no evidence of planet formation.

If you want to include this story in your blog, copy and paste this formatted text:

<p><a href="http://www.physorg.com/news5269.html">Astronomers Debate Whether Oldest Known Dust Disk Will Ever Form Planets</a></p> <p> Every rule has an exception. One rule in astronomy, supported by considerable evidence, states that dust disks around newborn stars disappear in a few million years. Most likely, they vanish because the material has collected into full-sized planets. Astronomers have discovered the first exception to this rule - a 25-million-year-old dust disk that shows no evidence of planet formation.</p>