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Latest Physical cosmology Stories

APEX Reveals Hidden Star Formation In The Spiderweb Galaxy
2014-10-15 03:01:28

Galaxy clusters are the largest objects in the Universe held together by gravity but their formation is not well understood.

big bang universe
2014-10-11 06:14:12

By measuring the radiation leaks in a large, densely-packed star-forming galaxy, astronomers have been able to learn more about how the universe evolved as the first stars were formed, according to research published online Thursday in the journal Science.

milky way dark matter
2014-10-10 04:30:30

A team of Australian astrophysicists has determined that the Milky Way has half as much dark matter as previously thought, according to a new study published in the Astrophysical Journal.

andromeda galaxy
2014-09-20 05:19:03

When galaxies grow too massive to continue making their own stars, they begin cannibalizing other nearby galaxies, experts from the University of Western Australia and an international team of colleagues reported this week in the journal Monthly Notices of the Royal Astronomical Society.

fishing for galaxies
2014-09-10 07:27:54

A new survey of galaxies by NASA's Spitzer Space Telescope is taking a plunge into the deep and uncharted waters of our cosmos.

distribution of dark matter
2014-09-09 11:12:54

Scientists believe they have found a way to explain why there are not as many galaxies orbiting the Milky Way as expected.

dark matter
2014-09-05 09:05:24

Astrophysicists believe that about 80 percent of the substance of our universe is made up of mysterious “dark matter” that can’t be perceived by human senses or scientific instruments.

Laniakea Supercluster
2014-09-04 04:40:37

Using a new mapping technique that takes into account the motions of nearby galaxies, researchers have discovered that the Milky Way resides on the outer edge of a massive, previously undetected supercluster of galaxies that they have dubbed Laniakea.

light in the real cosmos
2014-08-27 12:04:57

New research from UCL shows we will soon uncover the origin of the ultraviolet light that bathes the cosmos, helping scientists understand how galaxies were built.

black hole growth
2014-08-12 07:56:18

Several processes typically limit how quickly black holes can grow, so how did those located at the ends of the universe come to have masses equal to several billion suns?


Latest Physical cosmology Reference Libraries

Cosmology
2014-01-12 00:00:00

Image Caption: The Hubble Extreme Deep Field (XDF) was completed in September 2012 and shows the farthest galaxies ever photographed by humans. Each speck of light in the photo is an individual galaxy, some of them as old as 13.2 billion years; the observable universe is estimated to contain more than 200 billion galaxies. Credit: NASA/Wikipedia What is Cosmology? I once commented to an acquaintance that I was fascinated by the field of Cosmology, and mused that if I had more time, I...

45_d4a20fda769b165e44826492e9e54549
2010-09-16 15:18:29

The Virgo Cluster consists of galaxies at a distance of around 59 Mly away in the constellation Virgo. Containing between 1300 to 2000 galaxies the Virgo Cluster is the heart of the Local Supercluster. Its mass is estimated at 1.2 × 1015 M☉ out to 8 degrees of the cluster's center or a radius of about 2.2 Mpc. Most of the brighter galaxies in the cluster were discovered by Charles Messier in the late 1770's and early 1780's, including the giant elliptical Messier 87. Messier...

45_03c916cf051c1a581c0d52b3ccdd7561
2010-09-13 16:56:08

The Coma Cluster (Abell 1656), along with the Leo Cluster, is one of two major clusters compromising the Coma Supercluster. It contains over 1000 identified galaxies. Most of the galaxies in the center of the Coma Cluster are elliptical galaxies including both dwarf and giant. However the center is dominated by NGC 4874 and NGC 4889, two giant elliptical galaxies. The brightest galaxies are visible, a few degrees north of the galactic pole, with an amateur telescope larger than 20 cm. The...

67_4ae26d06e7989cbc4cd9f57abd6295f5
2010-09-08 16:02:39

As of 2009, JKCS 041 is a group of galaxies with the distinction of being the farthest away group from Earth ever observed. Seen at redshift 1.9, it is estimated to be 10.2 billion light years away. The cluster is located within the constellation Cetus at a photometrically determined redshift of z=1.9 at right ascension 2h 26m 44s declination -04° 41"² 37"³ (J2000.0).

45_b90d45a4e7d89d873d39705549e516ce
2014-01-12 00:00:00

Sample Entry: Astronomy is the scientific study of stars, planets, comets, galaxies, and other phenomena that occur outside Earth's atmosphere (e.g. cosmic radiation). Astronomy deals with the evolution, physics, chemical makeup, meteorology, and motion of celestial objects, and also the formation of the universe. The word Astronomy comes from the Greek words astron (meaning "star") and nomos (meaning "law"). Astronomy is one of the oldest sciences. Since the dawn of man, people always...

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Word of the Day
palinode
  • A poem in which the author retracts something said in an earlier poem.
The word 'palinode' comes from Greek roots meaning 'again' and 'song'.
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