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Latest Galaxies Stories

Hypervelocity Stars Escape Galaxy
2014-01-10 08:44:12

April Flowers for redOrbit.com - Your Universe Online A surprising new class of hypervelocity stars has been discovered by an international team of astronomers. These solitary stars are moving fast enough to escape the gravitational grasp of the Milky Way galaxy, according to a study presented at the annual meeting of the American Astronomical Society. The findings were also published in the Astrophysical Journal. "These new hypervelocity stars are very different from the ones that...

Swift Sees X-ray Action In Milky Way's Center
2014-01-09 06:14:19

[ Watch the Video: Swift Sees Changes in the Milky Way 2006 – 2013 ] Lee Rannals for redOrbit.com - Your Universe Online Scientists have discovered a rare celestial entity that could help test predictions of Albert Einstein’s theory of general relativity. A team at the annual meeting of the American Astronomical Society in National Harbor, Maryland, explained how images obtained through NASA’s Swift spacecraft could help decipher the physical nature of X-ray flares and enable...

Abell 1795
2014-01-09 04:13:33

[ Watch the Video: A Tour of Galaxy Cluster Abell 1795 ] Lee Rannals for redOrbit.com - Your Universe Online NASA’s Chandra X-ray Observatory has helped astronomers witness the first event of a black hole destroying a star in a dwarf galaxy. Two independent studies using data from Chandra and other telescopes have led scientists to believe they have found what appears to be a star being consumed by a black hole. “We can’t see the star being torn apart by the black hole,”...

2014-01-08 12:21:31

WASHINGTON, Jan. 8, 2014 /PRNewswire-USNewswire/ -- Recent observations by NASA's Swift spacecraft have provided scientists a unique glimpse into the activity at the center of our galaxy and led to the discovery of a rare celestial entity that may help them test predictions of Albert Einstein's theory of general relativity. (Logo: http://photos.prnewswire.com/prnh/20081007/38461LOGO) This week, at the annual meeting of the American Astronomical Society in National Harbor, Md.,...

Distant Black Holes Circling Each Other
2013-12-04 10:54:37

[ Watch the Video: Black Hole Duo In A Deadly Dance ] Brett Smith for redOrbit.com - Your Universe Online NASA astronomers have found evidence of two supermassive black holes at the center of a remote galaxy that are locked in a fierce, circling dance, according to an upcoming report in the Astrophysical Journal. Images created with the use of NASA’s , Wide-field Infrared Survey Explorer (WISE), show the black holes circling each other and a strange looking particle jet said to...

Lightweight Black Hole Has Elegant Manners
2013-11-29 05:00:59

April Flowers for redOrbit.com - Your Universe Online Our understanding of how some black holes consume matter might be changed by new observations of a black hole powering an energetic X-ray source in a galaxy some 22 million light years away. The findings, published in a recent issue of Nature, indicate that this particular black hole, thought to be the engine behind the X-ray source’s high-energy light output, is unexpectedly lightweight. Additionally, in spite of the generous amount...

NuSTAR Helps Scientists Hunt For Medium-Sized Black Holes
2013-11-27 15:39:33

Lee Rannals for redOrbit.com - Your Universe Online NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) is helping scientists determine whether black holes need a medium-sized category. Black holes are known to either come in masses of only about 10 times that of our sun, or the equivalent in mass of up to 10 billion suns. However, NuSTAR could be finally finding a middle ground. "Exactly how intermediate-sized black holes would form remains an open issue," Dominic Walton, of the...

Milky Way's Black Hole Shows Off It's Jet Of High-Energy Particles
2013-11-21 10:21:13

Brett Smith for redOrbit.com - Your Universe Online Many supermassive black holes emit a jet of high-energy particles as a byproduct of engulfing large quantities of mass and energy, and NASA researchers have just discovered that the supermassive black hole at the center of the Milky Way is no different. Using observations from NASA's Chandra X-ray Observatory and the National Science Foundation's Very Large Array (VLA) radio telescope, a team of Chinese and American astrophysicists...

Hubble Reveals First Visual Evidence Of Milky Way's Formative Years
2013-11-14 16:35:20

HubbleSite NASA's Hubble Space Telescope has provided the first visual evidence showing how our home galaxy, the Milky Way, assembled itself into the majestic pinwheel of stars we see today. Perusing Hubble's deep-sky surveys, astronomers traced 400 galaxies similar to our Milky Way at various stages of construction over a time span of 11 billion years. "For the first time we have direct images of what the Milky Way looked like in the past," said study co-leader Pieter G. van Dokkum...


Latest Galaxies Reference Libraries

6_8304cd2002012eb0093845e374a1b9612
2004-10-19 04:45:42

Supermassive Black Hole -- A Supermassive black hole is a black hole with a mass in the range of millions or billions solar masses. A supermassive black hole has some interesting properties differing from his low-mass cousins: -- The average density of a supermassive black hole can be very low, and actually can be lower than water's density. This happens because the black hole diameter increases linearly with mass, and consequently density drops much faster. -- Strong tidal...

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Word of the Day
mundungus
  • A stinking tobacco.
  • Offal; waste animal product; organic matter unfit for consumption.
This word comes from the Spanish 'mondongo,' tripe, entrails.