News tagged with massive galaxy

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Image: The NGC 5194 spiral galaxy

The Whirlpool Galaxy, also known as M51 or NGC 5194, is one of the most spectacular examples of a spiral galaxy. With two spiral arms curling into one another in a billowing swirl, this galaxy hosts over ...

Jan 28, 2014
5 / 5 (9) 0

Preserving the legacy of the X-ray universe

Every year, October is designated as American Archive Month. While many people may think "archive" means only dusty books and letters, there are, in fact, many other types of important archives. This includes ...

Oct 29, 2013
5 / 5 (1) 1

Galaxy winds

(Phys.org) —The most luminous galaxies in our universe are not particularly bright in the visible. Most of their energy output (which can be hundreds or even thousands of times more than our Milky Way's) ...

Sep 23, 2013
4.8 / 5 (5) 1 | with audio podcast

"Red nugget" galaxies were hiding in plain sight

In 2005 the Hubble Space Telescope spotted unusually small galaxies densely packed with red stars in the distant, young universe. They were nicknamed "red nuggets," not only because they are small and red ...

Sep 13, 2013
4.7 / 5 (17) 2 | with audio podcast

Dwarf galaxy caught ramming into a large spiral

Observations with NASA's Chandra X-ray Observatory have revealed a massive cloud of multimillion-degree gas in a galaxy about 60 million light years from Earth. The hot gas cloud is likely caused by a collision ...

Aug 14, 2013
4.1 / 5 (9) 1 | with audio podcast

Hubble finds telltale fireball after gamma ray burst

(Phys.org) —NASA's Hubble Space Telescope has provided the strongest evidence yet that short-duration gamma-ray bursts are triggered by the merger of two small, super-dense stellar objects, such as a pair ...

Aug 03, 2013
4.9 / 5 (28) 24 | with audio podcast

Monster galaxies lose their appetite with age

(Phys.org) —Our universe is filled with gobs of galaxies, bound together by gravity into larger families called clusters. Lying at the heart of most clusters is a monster galaxy thought to grow in size ...

Aug 01, 2013
3.8 / 5 (5) 2 | with audio podcast