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Stars Fueled by Dark Matter Could Hold Secrets to the Universe
Nov 03, 2009 |
4.4 / 5 (58) |
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(PhysOrg.com) -- The first stars in the universe may have been very different from the stars we see today, yet they may hold clues to understanding some of the mysterious features of the universe. These "dark ...
Invisible hand in invisible matter
Oct 06, 2009 |
4.6 / 5 (50) |
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(PhysOrg.com) -- An international team of astronomers have found an unexpected link between mysterious 'dark matter' and the visible stars and gas in galaxies that could revolutionise our current understanding ...
Hubble's Deepest View of Universe Unveils Never-Before-Seen Galaxies (w/ Video)
Dec 08, 2009 |
4.7 / 5 (49) |
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(PhysOrg.com) -- In 2004, Hubble created the Hubble Ultra Deep Field (HUDF), the deepest visible-light image of the Universe, and now, with its brand-new camera, Hubble is seeing even farther. This image was ...
Study plunges standard Theory of Cosmology into Crisis
May 05, 2009 |
4.5 / 5 (47) |
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As modern cosmologists rely more and more on the ominous “dark matter” to explain otherwise inexplicable observations, much effort has gone into the detection of this mysterious substance in the last two decades, yet no direct ...
Dark Energy From the Ground Up: Make Way for BigBOSS
Aug 07, 2009 |
4.9 / 5 (36) |
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(PhysOrg.com) -- Several ways have been proposed to examine dark energy, in hopes of finding out just what it is. One of them, "supernovae" for short, certainly works: it's how dark energy was discovered in ...
A Theory of Dark Matter
Sep 08, 2009 |
3.6 / 5 (41) |
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Among the most astounding, unexpected, and important achievements of the past century (or even more) have been the discoveries of dark matter and dark energy, collectively dubbed the "dark sector."
Astronomers explore 'last blank space' on map of the Universe
Oct 28, 2009 |
4.7 / 5 (30) |
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(PhysOrg.com) -- The most distant object ever discovered is described in this week's edition of the science journal Nature. Two international teams of astronomers report their observations of a gamma-ray burst ...
Dark Matter May be Easier to Detect than Previously Thought
Aug 10, 2009 |
4.6 / 5 (30) |
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(PhysOrg.com) -- The Milky Way, like many other galaxies, is thought to be embedded in massive, lumpy amounts of dark matter that release gamma rays and other emissions. Although at first these emissions seem ...
Black hole caught zapping galaxy into existence?
Nov 30, 2009 |
4.8 / 5 (27) |
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(PhysOrg.com) -- Which come first, the supermassive black holes that frantically devour matter or the enormous galaxies where they reside? A brand new scenario has emerged from a recent set of outstanding ...
Life in the universe? Almost certainly. Intelligence? Maybe not
May 12, 2009 |
3.3 / 5 (39) |
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(PhysOrg.com) -- We are likely not alone in the universe, though it may feel like it, since life on other planets is probably dominated by microbes or other nonspeaking creatures, according to scientists who ...
Physicists on the prowl for dark matter
Jul 23, 2009 |
3.8 / 5 (33) |
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(PhysOrg.com) -- 95%. That is the percentage of the known Universe that is missing. As in it is not there. Or at least if it is there, we can't see it. We call this unseen stuff "dark matter". That has been ...
Super-Sensors to Measure 'Signature' of Inflationary Universe (w/Video)
May 03, 2009 |
4.6 / 5 (26) |
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What happened in the first trillionth of a trillionth of a trillionth of a second after the Big Bang? Super-sensitive microwave detectors, built at the National Institute of Standards and Technology, may soon ...
Galactic nuclei offer some indication of axionlike particles
May 28, 2009 |
4.5 / 5 (26) |
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(PhysOrg.com) -- “Axionlike particles are interesting because they come up regularly when scientists study string theory. By looking at their properties, you hope to learn about string theory, or some other unified theory ...
Herschel first images promise bright future
Jul 10, 2009 |
4.5 / 5 (26) |
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Herschel has carried out the first test observations with all its instruments, with spectacular results. Galaxies, star-forming regions and dying stars comprised the telescope's first targets. The instruments ...
Rebirth of an icon: Hubble's first images since Servicing Mission 4
Space & Earth / Space Exploration
Sep 09, 2009 |
4.8 / 5 (24) |
4
(PhysOrg.com) -- Astronomers today declared the NASA/ESA Hubble Space Telescope a fully rejuvenated observatory ready for a new decade of exploration, with the release of observations from four of its six ...
