'Blue Needle' Presents New Challenge for Theorists

Astronomers using the W. M. Keck Observatory and NASA’s Hubble Space Telescope to study disks of debris around stars have found one that is extremely lopsided.

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<p><a href="http://www.physorg.com/news104072594.html">'Blue Needle' Presents New Challenge for Theorists</a></p> <p>Astronomers using the W. M. Keck Observatory and NASA’s Hubble Space Telescope to study disks of debris around stars have found one that is extremely lopsided.</p>