News tagged with galactic center
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Voyager makes an interstellar discovery
Space & Earth / Space Exploration
6 hours ago |
4.8 / 5 (14) |
3
The solar system is passing through an interstellar cloud that physics says should not exist. In the Dec. 24th issue of Nature, a team of scientists reveal how NASA's Voyager spacecraft have solved the mystery.
As shuttle's career nears an end, NASA turns focus to satellites
Space & Earth / Space Exploration
13 hours ago |
4.8 / 5 (4) |
0
NASA heads into 2010 with the bittersweet assignment of retiring the space shuttle after nearly three decades. But that's not all the agency has planned: There are also launches of three new satellites aimed at better understanding ...
Critical protein helps mend damaged DNA
Dec 24, 2009 |
4.5 / 5 (2) |
0
In order to preserve our DNA, cells have developed an intricate system for monitoring and repairing DNA damage. Yet precisely how the initial damage signal is converted into a repair response remains unclear. Researchers ...
'Self-seeding' of cancer cells may play a critical role in tumor progression
Dec 24, 2009 |
5 / 5 (3) |
0
Cancer progression is commonly thought of as a process involving the growth of a primary tumor followed by metastasis, in which cancer cells leave the primary tumor and spread to distant organs. A new study by researchers ...
Calif. space tourism firm launches S. Korea deal
Space & Earth / Space Exploration
Dec 18, 2009 |
5 / 5 (2) |
0
(AP) -- A California company developing a rocket plane for space tourism announced Thursday that it has an agreement with a nonprofit group in South Korea to conduct launches in that nation.
Studying how black holes grow
Space & Earth / Space Exploration
Dec 17, 2009 |
5 / 5 (2) |
1
Black holes are some of the most exotic objects in the universe. They are the final evolutionary stage of giant stars much larger than the sun. When these stars explode, their cores collapse down to the size ...
Hubble's Festive View of a Grand Star-Forming Region (w/ Video)
Dec 15, 2009 |
4.5 / 5 (4) |
0
(PhysOrg.com) -- Just in time for the holidays: a Hubble Space Telescope picture postcard of hundreds of brilliant blue stars wreathed by warm, glowing clouds. The festive portrait is the most detailed view of the largest ...
Scientists observe super-massive black holes using Keck Observatory in Hawaii
Dec 10, 2009 |
5 / 5 (8) |
3
An international team of scientists has observed four super-massive black holes at the center of galaxies, which may provide new information on how these central black hole systems operate. Their findings ...
Galaxy Collision Switches on Black Hole
Dec 10, 2009 |
4.5 / 5 (4) |
1
(PhysOrg.com) -- This composite image of data from three different telescopes shows an ongoing collision between two galaxies, NGC 6872 and IC 4970.
Cosmic rays hunted down: Physicists are closing in on the origin of cosmic rays
Dec 07, 2009 |
4.4 / 5 (11) |
4
(PhysOrg.com) -- A thin rain of charged particles continually bombards our atmosphere from outer space. The mysterious particles were first detected 100 years ago but until 10 years ago when a new type of ...
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