Search results for pulsar
A new way to discover pulsars
(Phys.org) -- The Large Area Telescope (LAT), built by SLAC for the Fermi Gamma-ray Space Telescope, collects information on high-energy gamma rays from numerous sources in the sky. Among these are small, ...
May 22, 2012 |
5 / 5 (6) |
1
|
Fermi uses gamma rays to unearth clues about 'empty' space
The SLAC-built Large Area Telescope (LAT), the main instrument of the Fermi Gamma-ray Space Telescope, has been studying the gamma-ray sky for almost four years. During that time, the LAT has identified ...
Apr 20, 2012 |
4.5 / 5 (6) |
6
|
Karl G. Jansky Very Large Array: Famous radio telescope officially gets new name
Astronomers and officials from around the globe gathered on the high desert of New Mexico Saturday to officially bestow a new name on the world's most famous radio telescope and to mark its transformation ...
Space & Earth / Space Exploration
Apr 03, 2012 |
5 / 5 (2) |
0
How interstellar beacons could help future astronauts find their way across the universe
(PhysOrg.com) -- The use of stars, planets and stellar constellations for navigation was of fundamental importance for mankind for thousands of years. Now a group of scientists at the Max-Planck Institute ...
Apr 02, 2012 |
5 / 5 (3) |
6
|
Fermi observations of dwarf galaxies provide new insights on dark matter
(PhysOrg.com) -- There's more to the cosmos than meets the eye. About 80 percent of the matter in the universe is invisible to telescopes, yet its gravitational influence is manifest in the orbital speeds ...
Apr 02, 2012 |
4.7 / 5 (16) |
77
|
Powerhouse in the Crab Nebula
MAGIC telescopes measure the highest-energy gamma rays from a pulsar to date, calling theory into question.
Mar 29, 2012 |
5 / 5 (6) |
16
|
Mysterious objects at the edge of the electromagnetic spectrum
The human eye is crucial to astronomy. Without the ability to see, the luminous universe of stars, planets and galaxies would be closed to us, unknown forever. Nevertheless, astronomers cannot shake their ...
Mar 19, 2012 |
4.7 / 5 (36) |
71
|
X-ray monitoring mission comes to an end
On Dec. 30, 1995, NASA’s Rossi X-ray Timing Explorer (RXTE) was launched into orbit on a mission to observe and study X-ray sources in space. For 16 years, the satellite circled Earth, detecting X-rays ...
Space & Earth / Space Exploration
Mar 13, 2012 |
4.5 / 5 (2) |
0
NASA's RXTE captures thermonuclear behavior of unique neutron star
(PhysOrg.com) -- A neutron star is the closest thing to a black hole that astronomers can observe directly, crushing half a million times more mass than Earth into a sphere no larger than a city. In October ...
Mar 09, 2012 |
4.4 / 5 (16) |
10
|
Students discover millisecond pulsar, help in the search for gravitational waves
A special project to search for pulsars has bagged the first student discovery of a millisecond pulsar – a super-fast spinning star, and this one rotates about 324 times per second. The Pulsar Search ...
Space & Earth / Space Exploration
Jan 31, 2012 |
5 / 5 (3) |
0
NASA's Fermi finds youngest millisecond pulsar, 100 pulsars to date
An international team of scientists using NASA's Fermi Gamma-ray Space Telescope has discovered a surprisingly powerful millisecond pulsar that challenges existing theories about how these objects form.
Nov 04, 2011 |
4.3 / 5 (6) |
2
|
Millisecond pulsar in spin mode
Astronomers have tracked down the first gamma-ray pulsar in a globular cluster of stars. It is around 27,000 light years away and thus also holds the distance record in this class of objects. Moreover, its ...
Nov 03, 2011 |
4.6 / 5 (5) |
8
|
9 new gamma pulsars
Pulsars are the lighthouses of the universe. These compact and fast-rotating neutron stars flash many times per second in the radio or gamma-ray band. Pure gamma-ray pulsars are extremely difficult to find ...
Nov 03, 2011 |
4 / 5 (1) |
3
|
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
|
A pulsar's mysterious tail
(PhysOrg.com) -- A spinning neutron star is tied to a mysterious tail -- or so it seems. Astronomers using NASA's Chandra X-ray Observatory have found that this pulsar, known as PSR J0357+3205 (or PSR J0357 ...
Jul 14, 2011 |
4.6 / 5 (7) |
4
|
