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Mysterious ripples found racing through planet-forming disk

LNM Radio Network

LNM Radio Network

NASA/Goddard Space Flight Center

Astronomers using NASA’s Hubble Space Telescope and the European Southern Observatory’s (ESO) Very Large Telescope in Chile have discovered never-before-seen features within the dusty disk surrounding the young, nearby star AU Microscopii (AU Mic).The fast-moving, wave-like structures are unlike anything ever observed, or even predicted in a circumstellar disk, said researchers of a new analysis. This new, unexplained phenomenon may provide valuable clues about how planets form inside these star-surrounding disks.
http://www.eurekalert.org/pub_releases/2015-10/nsfc-mrf100715.php