News tagged with crab nebula
The high energy crab
(PhysOrg.com) -- The Crab Nebula is the remnant of a supernova. Its precursor star exploded in 1054 AD in an event that was recorded by Chinese and (quite probably) Anasazi Indian astronomers. It is called ...
Oct 31, 2011 |
5 / 5 (2) |
8
|
Challenge theoretical models, Crab pulsar beams most energetic gamma rays ever detected from a pulsar
A thousand years ago, a brilliant beacon of light blazed in the sky, shining brightly enough to be seen even in daytime for almost a month. Native American and Chinese observers recorded the eye-catching event. ...
Oct 06, 2011 |
5 / 5 (14) |
36
|
'Zombie' stars key to measuring dark energy
"Zombie" stars that explode like bombs as they die, only to revive by sucking matter out of other stars. According to an astrophysicist at UC Santa Barbara, this isn't the plot for the latest 3D blockbuster ...
Jun 30, 2011 |
3.2 / 5 (6) |
2
|
Crab nebula: The crab in action & the case of the dog that did not bark
A new movie from NASA's Chandra X-ray Observatory shows a sequence of Chandra images of the Crab Nebula, taken over an interval of seven months. Dramatic variations are seen, including the expansion of a ring ...
May 16, 2011 |
4.7 / 5 (3) |
7
Fermi telescope spots 'superflares' in the Crab Nebula (w/ video)
(PhysOrg.com) -- The famous Crab Nebula supernova remnant has erupted in an enormous flare five times more powerful than any flare previously seen from the object. On April 12, NASA's Fermi Gamma-ray Space ...
May 12, 2011 |
4.4 / 5 (7) |
17
|
High-energy surprises found in 'constant' Crab Nebula (w/ Video)
(PhysOrg.com) -- The combined data from several NASA satellites has astonished astronomers by revealing unexpected changes in X-ray emission from the Crab Nebula, once thought to be the steadiest high-energy ...
Jan 13, 2011 |
4.9 / 5 (9) |
1
|
Fermi's Large Area Telescope sees surprising flares in Crab Nebula
(PhysOrg.com) -- The Crab Nebula, one of our best-known and most stable neighbors in the winter sky, is shocking scientists with a propensity for fireworks—gamma-ray flares set off by the most energetic ...
Jan 06, 2011 |
4.8 / 5 (18) |
26
|
The Supernovae of Triangulum
(PhysOrg.com) -- The Triangulum Galaxy, at a distance of only 2.6 million light-years, is one of the closest spiral galaxies to earth. It is also the third largest member of our galactic neighborhood (after ...
Apr 30, 2010 |
4.6 / 5 (14) |
3
|
The Crab Nebula: Energy for 100,000 Suns
(PhysOrg.com) -- A star's spectacular death in the constellation Taurus was observed on Earth as the supernova of 1054 A.D.
Nov 23, 2009 |
4.1 / 5 (10) |
1
GEMS mission to explore the polarized universe
An exciting new astrophysics mission led by NASA's Goddard Space Flight Center in Greenbelt, Md., will provide a revolutionary window into the universe. Named the Gravity and Extreme Magnetism Small Explorer ...
Space & Earth / Space Exploration
Aug 04, 2009 |
4.6 / 5 (10) |
1
A young pulsar shows its hand
A small, dense object only twelve miles in diameter is responsible for this beautiful X-ray nebula that spans 150 light years. At the center of this image made by NASA's Chandra X-ray Observatory is a very ...
Apr 03, 2009 |
4.7 / 5 (22) |
7
