Is bursting at its galactic seams, creating new stars at a rate more than 100 times faster than the Milky Way, due to gravitational interactions within its host galaxy group IC 342
Space news (astrophysics: starburst galaxies; NGC 1569) – 11 million light-years away toward the constellation Camelopardalis (The Giraffe) –
The Hubble Space Telescope image above reveals the chaotic, yet visually stunning core of starburst galaxy NGC 1569. A relatively small galaxy more recent calculations by astronomers show is actually 11 million light-years from Earth, which is one and half times further than previous distance estimates. This starburst galaxy is one of the brightest in galaxy group IC 342, which is just one of many groups of galaxies within the Virgo Supercluster and is located in the constellation of Camelopardalis (The Giraffe) in our night sky.
Look at the interior of NGC 1569 from different angles and the hues viewed seem to shift across its 5,000 light-year width. For almost 100 million years this starburst galaxy has created new stars at a rate over 100 times faster than our Milky Way. The core was a vigorous, hotbed of star formation bursting at the seams with new and old stars. It’s home to many super star clusters, three of which are visible in this image as brilliant blue clusters, each residing within a large cavity of gas carved out by successive supernovae of red giant supermassive stars.
NGC 1569’s new location puts it smack in the middle of ten galaxies within IC 342 interacting gravitationally, which compressed gas floating among its stars until it collapsed, heated up and formed new stars. A process Hubble’s Wide Field Planetary Camera 2 and Advanced Camera for Surveys were able to observe in September 1999, November 2006, and January 2007. Observations allowing for the creation of this stunning, amazing image of a starburst galaxy at work.
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