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Links in the Evolution Chain of Post-Starburst Galaxies

16 Aug 2017, 14:18 UTC
Links in the Evolution Chain of Post-Starburst Galaxies
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Title: The Evolutionary Sequence of Post-Starburst GalaxiesAuthors: C. L. Wilkinson, K. A. Pimbblet, J. P. StottFirst Author’s Institution: E. A. Milne Centre for Astrophysics, University of Hull, Cottingham Road, Kingston Upon Hull, HU6 7RX, UKStatus: Accepted in MNRAS [open access]
Spanning eons in a single imageIf you’ve ever spared a quick, casual glance at the night sky, you may have noticed a few bright stars, sparkling bravely alongside the Moon. But if you look long enough and deep enough, you’ll notice that there’s a lot more out there than just a few twinkling stars. Figure 1 shows a beautiful snapshot of the Hubble Ultra Deep Field, where we can see not just stars but galaxies – nearly 10,000 of them! – across an area that’s only about one-tenth the length of the full Moon. The galaxies that we see come in all sorts of shapes, sizes, ages, and colors, but astronomers, like the authors of today’s astrobite, believe that there are similarities and patterns in how each of these galaxies grow and evolve.Figure 1: An image of the Hubble Ultra Deep Field, courtesy of the Hubble telescope. We can see nearly 10,000 galaxies in this image, which has a ...

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