T Chamaeleon Gets Caught in the Act — Forming Planets, That Is

Artist’s impression showing the disk around the young star T Chamaeleontis. The companion object in the foreground may be either a brown dwarf or a large planet. Credit: ESO/L. Calçada

An international team of astronomers peering at a young star in the constellation Chamaeleon have detected a smaller companion — a dust-shrouded brown dwarf, or perhaps a planet — that appears to be carving out a large gap in the stellar disk. The discovery is a first: Although planets have been spotted before in more mature disks, this is the first detection of a planet-sized object in the disk around a young star.(…) Read the rest of T Chamaeleon Gets Caught in the Act — Forming Planets, That Is (565 words)

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