News tagged with magnetic poles
Cassini Captures Ghostly Dance of Saturn's Northern Lights (w/ Video)
Space & Earth / Space Exploration
Nov 24, 2009 |
4.9 / 5 (10) |
1
(PhysOrg.com) -- In the first video showing the auroras above the northern latitudes of Saturn, Cassini has spotted the tallest known "northern lights" in the solar system, flickering in shape and brightness ...
New technique improves estimates of pulsar ages
Jun 09, 2009 |
4.3 / 5 (3) |
1
Astronomers at the University of California, Santa Cruz, have developed a new technique to determine the ages of millisecond pulsars, the fastest-spinning stars in the universe.
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Ulysses Flyby of the Sun's North Pole
Space & Earth / Space Exploration
Jan 15, 2008 |
4.3 / 5 (7) |
0
Consider it a case of exquisite timing. Just last week, solar physicists announced the beginning of a new solar cycle and now, Jan. 14th, the Ulysses spacecraft is flying over a key region of solar activity--the ...
First Glimpse of Star Flip
Feb 26, 2008 |
4.5 / 5 (33) |
0
An international team of astrophysicists has, for the first time, discovered a star other than the Sun flipping its north and south magnetic poles.
'Lost' sediments show details of polar magnetic field
Space & Earth / Earth Sciences
Feb 28, 2008 |
4.5 / 5 (6) |
0
UC Davis researchers studying cores of sediment collected 40 years ago have found evidence for magnetic field vortices in the Earth's core beneath the South Pole. The results contrast with earlier studies at lower latitudes, ...
Fingers, Loops and Bays in the Crab Nebula
Nov 06, 2008 |
4.3 / 5 (12) |
8
(PhysOrg.com) -- This image gives the first clear view of the faint boundary of the Crab Nebula's X-ray-emitting pulsar wind nebula. The nebula is powered by a rapidly-rotating, highly-magnetized neutron star, ...
NASA Satellites Discover What Powers Northern Lights
Space & Earth / Space Exploration
Jul 24, 2008 |
4.1 / 5 (9) |
1
(PhysOrg.com) -- Researchers using a fleet of five NASA satellites have discovered that explosions of magnetic energy a third of the way to the moon power substorms that cause sudden brightenings and rapid movements of the ...
Magnetic field on bright star Vega
Jun 23, 2009 |
4.5 / 5 (6) |
1
Astronomy & Astrophysics journal publishes the first detection of a magnetic field on the bright star Vega. Using the NARVAL spectropolarimeter of the Bernard-Lyot telescope on top of the Pic du Midi (Franc ...
Cluster watches Earth's leaky atmosphere
Space & Earth / Earth Sciences
Aug 28, 2008 |
4.3 / 5 (19) |
8
Oxygen is constantly leaking out of Earth’s atmosphere and into space. Now, ESA’s formation-flying quartet of satellites, Cluster, has discovered the physical mechanism that is driving the escape. It turns ...
Autonomous Antarctic Observatories Gather Space Weather Data
Space & Earth / Space Exploration
Apr 09, 2009 |
4.5 / 5 (2) |
0
(PhysOrg.com) -- An international scientific consortium has developed a series of autonomous observatories in Antarctica that for the first time provide critical year-round "space weather" data from the Earth's ...
Fermi telescope unveils a dozen new pulsars
Jan 06, 2009 |
4.5 / 5 (4) |
1
(PhysOrg.com) -- NASA's Fermi Gamma-ray Space Telescope has discovered 12 new gamma-ray-only pulsars and has detected gamma-ray pulses from 18 others. The finds are transforming our understanding of how these ...
Mercury's magnetosphere fends off the solar wind
Space & Earth / Space Exploration
Jan 30, 2008 |
4.1 / 5 (15) |
0
The planet Mercury's magnetic field appears to be strong enough to fend off the harsh solar wind from most of its surface, according to data gathered in part by a University of Michigan instrument onboard ...
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