News tagged with galaxies

Supernova cleans up its surroundings

(Phys.org) —Supernovas are the spectacular ends to the lives of many massive stars. These explosions, which occur on average twice a century in the Milky Way, can produce enormous amounts of energy and ...

Apr 10, 2014
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Samsung Galaxy S5 makes global debut

The latest version of Samsung's flagship Galaxy smartphone went on sale worldwide Friday, days after the electronics giant announced it was facing a second consecutive quarter of profit decline.

Apr 11, 2014
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Merging galaxies illuminate the cosmic food chain

(Phys.org) —Scientists studying a 'twin' of the Milky Way have used the W. M. Keck Observatory and Subaru Observatory to accurately model how it is swallowing another, smaller galaxy. Their findings have ...

Jul 01, 2014
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What is Nothing?

Is there any place in the Universe where there's truly nothing? Consider the gaps between stars and galaxies? Or the gaps between atoms? What are the properties of nothing?

Aug 22, 2014
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Modified theory of dark matter

Dark matter is an aspect of the universe we still don't fully understand. We have lots of evidence pointing to its existence (as I outlined in a series of posts a while back), and the best evidence we have point ...

Sep 12, 2014
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New window on the early Universe

Scientists at the Universities of Bonn and Cardiff see good times approaching for astrophysicists after hatching a new observational strategy to distill detailed information from galaxies at the edge of ...

Oct 22, 2014
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How small can galaxies be?

Yesterday I talked about just how small a star can be, so today let's explore just how small a galaxy can be. Our Milky Way galaxy is about 100,000 light years across, and contains about 200 billion stars. Th ...

Sep 29, 2014
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San Jose State students report major discovery in space

A San Jose State undergrad grieving the loss of his mother shifted his gaze to outer space and made what could prove to be a remarkable discovery: a system of stars so dense, his professor said, astronomy has no word for ...

May 29, 2014
4.5 / 5 (15) 1