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Anne’s Image of Today: Open Cluster NGC 411

10 Jul 2014, 12:50 UTC
Anne’s Image of Today: Open Cluster NGC 411
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July 10, 2014 NGC 411, an open star cluster in the SMC Image Credit: ESA/Hubble & NASA NGC 411 is a small open star cluster of about 1.5 billion years old in the Small Magellanic Cloud (SMC), a dwarf companion galaxy to our Milky Way, which is located some 200,000 light-years away from Earth [continue reading]

July 10, 2014
NGC 411, an open star cluster in the SMC

Image Credit: ESA/Hubble & NASA
NGC 411 is a small open star cluster of about 1.5 billion years old in the Small Magellanic Cloud (SMC), a dwarf companion galaxy to our Milky Way, which is located some 200,000 light-years away from Earth in the southern constellation of Tucana (the Toucan), and which is receding from our Galaxy at approximately 158 kilometers per second.
Discovered in 1826 by the Scottish astronomer James Dunlop, NGC 411 looks very much like a globular cluster, a roughly spherical collection of thousands to millions of extremely old stars (over ten billion years), which are strongly gravitationally bound to each other. Around 150 of them are scattered around our Galaxy.
And yet appearances can be deceptive: NGC 411 is not a globular cluster, and its stars are ...

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