 Scientists discover minimum mass for galaxies 10 hours ago | User rating: 4.3 / 5 after 14 vote(s)
| User comments: 2
(PhysOrg.com) -- By analyzing light from small, faint galaxies that orbit the Milky Way, UC Irvine scientists believe they have discovered the minimum mass for galaxies in the universe – 10 million times the ... | |
 A clash of clusters provides another clue to dark matter 12 hours ago | User rating: 4.2 / 5 after 11 vote(s)
| User comments: 5
New Hubble and Chandra observations of the cluster known as MACSJ0025.4-1222 indicate that a titanic collision has separated dark from ordinary matter. This provides independent confirmation of a similar effect ... | |
 GLAST Observatory reveals entire gamma-ray sky August 26, 2008 | User rating: 4.8 / 5 after 19 vote(s)
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(PhysOrg.com) -- NASA's newest space telescope is giving scientists their best look yet at the highest-energy gamma ray bursts generated by violent events in space. For Toby Burnett, a University of Washington ... | |
 How Do Galaxies Grow? August 26, 2008 | User rating: 4.3 / 5 after 13 vote(s)
| User comments: 2
How do galaxies form? The most widely accepted answer to this fundamental question is the model of 'hierarchical formation', a step-wise process in which small galaxies merge to build larger ones. One can ... | |
 XMM-Newton's massive discovery August 25, 2008 | User rating: 4.2 / 5 after 44 vote(s)
| User comments: 9
(PhysOrg.com) -- ESA's orbiting X-ray observatory XMM-Newton has discovered the most massive cluster of galaxies seen in the distant Universe until now. The galaxy cluster is so big that there can only be ... | |
 Spitzer Reveals Stellar "Family Tree" August 22, 2008 | User rating: 4.1 / 5 after 16 vote(s)
| User comments: 1
A new image from NASA's Spitzer Space Telescope tells a tale of life and death, and reveals a rich family history. The striking infrared picture shows a colorful cosmic cloud, called W5, studded with multiple ... | |
The mystery of young stars near black holes solved August 22, 2008 | User rating: 4.4 / 5 after 17 vote(s)
| User comments: 1
The mystery of how young stars can form within the deep gravity of black holes has been solved by a team of astrophysicists at the Universities of St Andrews and Edinburgh. | |
Researchers reveal brown dwarfs as third class of celestial bodies after stars and planets August 22, 2008 | User rating: 4.1 / 5 after 13 vote(s)
| User comments: 1
(PhysOrg.com) -- The systematics of celestial bodies apparently needs to be revised. Researchers at the Argelander Institute of Astronomy of the University of Bonn have discovered that brown dwarfs need to be treated as a ... | |
 Most Black Holes Might Come in Only Small and Large August 20, 2008 | User rating: 4.3 / 5 after 32 vote(s)
| User comments: 21
(PhysOrg.com) -- Black holes are sometimes huge cosmic beasts, billions of times the mass of our sun, and sometimes petite with just a few times the sun's mass. But do black holes also come in size medium? ... | |
 Hubble sees magnetic monster in erupting galaxy August 20, 2008 | User rating: 4.7 / 5 after 26 vote(s)
| User comments: 4
NGC 1275 is one of the closest giant elliptical galaxies and lies at the centre of the Perseus Cluster of galaxies. It is an active galaxy, hosting a supermassive black hole at its core, which blows bubbles ... | |
 High-Tech 'Heart' of New-Generation Radio Telescope Passes First Test August 12, 2008 | User rating: not shown ( 4 vote(s) ) | No comments yet
The Expanded Very Large Array (EVLA), part of the National Radio Astronomy Observatory (NRAO), took a giant step toward completion on August 7 with successful testing of advanced digital hardware designed ... | |
 Hubble unveils colorful star birth region on 100,000th orbit milestone August 11, 2008 | User rating: 4.1 / 5 after 26 vote(s)
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During Hubble's 100 000th orbit around the Earth it peered into a small portion of the nebula near the star cluster NGC 2074 (upper, left). The region is a firestorm of raw stellar creation, perhaps triggered ... | |
 Universally speaking, Earthlings share a nice neighborhood August 08, 2008 | User rating: 3.9 / 5 after 21 vote(s)
| User comments: 4
We don't have spacecraft to take us outside our solar system--not yet, at least. Still, astronomers thought they had a pretty good understanding of how our solar system formed and in turn, how others formed. ... | |
New computer simulations show how special the solar system is August 07, 2008 | User rating: 4 / 5 after 45 vote(s)
| User comments: 30
Prevailing theoretical models attempting to explain the formation of the solar system have assumed it to be average in every way. Now a new study by Northwestern University astronomers, using recent data from the 300 exoplanets ... | |
 Study shows clumps and streams of dark matter in inner regions of the Milky Way August 06, 2008 | User rating: 4.2 / 5 after 34 vote(s)
| User comments: 5
(PhysOrg.com) -- Using one of the most powerful supercomputers in the world to simulate the halo of dark matter that envelopes our galaxy, researchers found dense clumps and streams of the mysterious stuff ... | |
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