Search results for Milky Way:
Dark Matter May be Easier to Detect than Previously Thought
Aug 10, 2009 |
4.6 / 5 (30) |
44
(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 ...
Possible Fifth Force Would Make Direct Detection of Dark Matter Unlikely
Mar 26, 2009 |
3.9 / 5 (40) |
52
(PhysOrg.com) -- No one knows exactly what a “fifth force” might be, but studies have shown that, if a long-range fifth force does exist, it could have surprising effects on the universe’s structure formation. ...
The Energy Sources of Ultraluminous Galaxies
Nov 27, 2009 |
4.7 / 5 (20) |
3
(PhysOrg.com) -- Ultraluminous infrared galaxies ((ULIRGs) are galaxies whose luminosity exceeds that of a trillion suns; for comparison, the Milky Way galaxy has a typical (and much more modest) luminosity ...
Cosmic 'Dig' Reveals Vestiges of the Milky Way's Building Blocks
Nov 25, 2009 |
4.7 / 5 (21) |
1
(PhysOrg.com) -- Peering through the thick dust clouds of our galaxy's "bulge" (the myriads of stars surrounding its center), a team of astronomers has unveiled an unusual mix of stars in the stellar grouping ...
First black holes may have incubated in giant, starlike cocoons
Nov 24, 2009 |
4.2 / 5 (20) |
22
(PhysOrg.com) -- The first large black holes in the universe likely formed and grew deep inside gigantic, starlike cocoons that smothered their powerful x-ray radiation and prevented surrounding gases from ...
'Cosmic fruit machine' matches collisions
Nov 24, 2009 |
4.5 / 5 (6) |
2
(PhysOrg.com) -- A new website will give everyone the chance to contribute to science by playing a 'cosmic fruit machine' and compare images of colliding galaxies with millions of simulated images of galactic ...
Cassini's Big Sky: The View from the Center of Our Solar System
Space & Earth / Space Exploration
Nov 20, 2009 |
4.8 / 5 (15) |
1
(PhysOrg.com) -- When NASA's Cassini spacecraft began orbiting Saturn five years ago, a dozen highly-tuned science instruments set to work surveying, sniffing, analyzing and scrutinizing the Saturnian system.
Gamma-ray photon race ends in dead heat; Einstein wins this round
Oct 28, 2009 |
4.7 / 5 (35) |
62
Racing across the universe for the last 7.3 billion years, two gamma-ray photons arrived at NASA's orbiting Fermi Gamma-ray Space Telescope within nine-tenths of a second of one another. The dead-heat finish ...
Physicist makes new high-res panorama of Milky Way
Oct 28, 2009 |
4.6 / 5 (14) |
3
Cobbling together 3000 individual photographs, a physicist has made a new high-resolution panoramic image of the full night sky, with the Milky Way galaxy as its centerpiece. Axel Mellinger, a professor at ...
Scientists Explore Galactic Frontier, Release First-Ever All-Sky Map (w/ Video)
Space & Earth / Space Exploration
Oct 15, 2009 |
4.8 / 5 (23) |
2
(PhysOrg.com) -- NASA's Interstellar Boundary Explorer, or IBEX, spacecraft has made it possible for scientists to construct the first comprehensive sky map of our solar system and its location in the Milky ...
The Milky Way's tiny but tough galactic neighbor
Oct 14, 2009 |
4.3 / 5 (13) |
1
In the new ESO image, Barnard's Galaxy glows beneath a sea of foreground stars in the direction of the constellation of Sagittarius (the Archer). At the relatively close distance of about 1.6 million light-years, ...
Heart of a galaxy emits gamma rays
Oct 02, 2009 |
4.5 / 5 (6) |
6
(PhysOrg.com) -- Quite a few distant galaxies turn out to be cosmic delivery rooms. Large numbers of massive stars are born in the hearts of these starburst galaxies, and later explode as supernovae. In the ...
New Vista of Milky Way Center Unveiled
Sep 22, 2009 |
4.8 / 5 (6) |
1
(PhysOrg.com) -- A dramatic new vista of the center of the Milky Way galaxy from NASA's Chandra X-ray Observatory exposes new levels of the complexity and intrigue in the Galactic center. The mosaic of ...
Zooming to the centre of the Milky Way -- GigaGalaxy Zoom phase 2
Sep 21, 2009 |
4.6 / 5 (16) |
0
(PhysOrg.com) -- The second of three images of ESO's GigaGalaxy Zoom project has just been released online. It is a new and wonderful 340-million-pixel vista of the central parts of our home galaxy as seen ...
Astronomers unveil an amazing, interactive, 360-degree panoramic view of the entire night sky
Sep 14, 2009 |
4.9 / 5 (14) |
2
(PhysOrg.com) -- The first of three images of ESO's GigaGalaxy Zoom project — a new magnificent 800-million-pixel panorama of the entire sky as seen from ESO's observing sites in Chile — has just been released ...
