galaxies

New Hubble View Shows Objects a Billion Times Fainter Than Your Eyes Can See

by Nancy Atkinson April 17, 2014

Want to stay on top of all the space news? Follow @universetoday on Twitter While this image isn’t as deep as the Hubble Deep Field, this 14-hour exposure by the Hubble Space Telescope shows objects around a billion times fainter than what can be seen with the human eyes alone. Astronomers say this image also […]

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Why Do Galaxies Have Arms?

by Fraser Cain April 3, 2014

Spiral galaxies get their name because of their beautiful spiral shape and iconic arms. But why do galaxies have these spiral shapes, and what causes the arms? Galaxies are some of the most beautiful and inspiring structures in the Universe. As you know, they aren’t solid disks, they’re a gigantic spill of individual stars webbed […]

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Nearby Stream of Stars Reveals Past Cosmic Collision

by Shannon Hall February 27, 2014

The tangled remains of vast cosmic collisions can be seen across the universe, such as the distant Whirlpool Galaxy’s past close encounter with a nearby galaxy, which resulted in the staggering beauty we see today. Such colossal collisions between galaxies appear to be common. It’s likely giant galaxies, such as our own, originated long ago […]

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Weekly Space Hangout – January 17, 2014: Astronomers Without Borders, & Jelly Donuts

by Fraser Cain January 17, 2014

Host: Fraser Cain Guests: Mike Simmons from Astronomers without Borders, Nicole Gugliucci, Jason Major, Casey Dreier, Brian Koberlein, Nancy Atkinson, Morgan Rehnberg, David Dickinson Remove this ad Fraser Cain on Google+

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Space Telescopes Look Back 13.2 Billion Years and See Surprisingly Luminous Galaxies

by Nancy Atkinson January 8, 2014

What was the Universe like more than 13 billion years ago, just 500 million years after the big bang? New data from the Hubble and Spitzer space telescopes reveal some surprisingly bright galaxies that are about 10 to 20 times more luminous than anything seen previously in that epoch. Garth Illingworth from the University of […]

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