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Home→Categories Galaxies

Category Archives: Galaxies

Reconstruction of Early Milky Way

Posted on November 15, 2016 by WykenSeagraveNovember 16, 2016
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In one of the most comprehensive multi-observatory galaxy surveys yet, astronomers find that galaxies like our Milky Way underwent a stellar “baby boom,” churning out stars at a prodigious rate, about 30 times faster than today. Our Sun, however, is … Continue reading →

Posted in Cosmology, Galaxies, Milky Way | 1 Reply

Universe has lost 90% of its galaxies

Posted on November 10, 2016 by WykenSeagraveNovember 10, 2016
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In analyzing data from deep-sky census assembled from surveys taken by NASA’s Hubble Space Telescope and other observatories, a team led by Christopher Conselice of the University of Nottingham, U.K., found that 10 times as many galaxies were packed into … Continue reading →

Posted in Astronomy, Galaxies | Leave a reply

Barred Spiral Galaxy — Hubble Observes NGC 1073

Posted on April 1, 2012 by WykenSeagraveApril 1, 2012
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Most spiral galaxies in the Universe have a bar structure in their centre, and Hubble’s image of NGC 1073 offers a particularly clear view of one of these. Galaxies’ star-filled bars are thought to emerge as gravitational density waves funnel … Continue reading →

Posted in Barred Spiral | Leave a reply

Dramatic early star formation cut short by black holes

Posted on April 1, 2012 by WykenSeagraveApril 1, 2012
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Early galaxies, flowering with dramatic starbursts in the early Universe, saw the birth of new stars abruptly cut short, leaving them as massive galaxies of aging stars in the present day. The likely culprit for the sudden end to the … Continue reading →

Posted in Black Holes, Galaxies, Star formation | Tagged Galaxy Formation | Leave a reply

Hubble Pinpoints Furthest Protocluster of Galaxies Ever Seen

Posted on April 1, 2012 by WykenSeagraveApril 1, 2012
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Using the NASA/ESA Hubble Space Telescope, astronomers have uncovered a cluster of galaxies in the initial stages of development, making it the most distant such grouping ever observed in the early Universe. In a sky survey made in near-infrared light … Continue reading →

Posted in Clusters of Galaxies, Galaxies, Young Universe | Leave a reply
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