News tagged with solar magnetism

The Sun's crowning glory

(Phys.org) -- Those who experience a total solar eclipse are overwhelmed as they look at the circle of light that surrounds our Sun. Laypeople may find it enchanting, but researchers have been racking their ...

Space & Earth / Space Exploration

created May 11, 2012 | popularity 4.8 / 5 (5) | comments 0

Goddard collaborates with international partners on Magnetospheric Multiscale instrument

Whether it's a giant solar flare or a beautiful green-blue aurora, just about everything interesting in space weather happens due to a phenomenon called magnetic reconnection. Reconnection occurs when magnetic ...

Space & Earth / Space Exploration

created May 01, 2012 | popularity not rated yet | comments 0

The Sun spits out a coronal mass ejection

Ever squirted water out of your mouth when playing in a swimming pool or lake? This Coronal Mass Ejection (CME) release by the Sun on April 15, 2012 looks reminiscent of such water spouting.

Space & Earth / Space Exploration

created Apr 17, 2012 | popularity 5 / 5 (4) | comments 0

Uranus auroras glimpsed from Earth

(Phys.org) -- For the first time, scientists have captured images of auroras above the giant ice planet Uranus, finding further evidence of just how peculiar a world that distant planet is. Detected by means ...

Space & Earth / Space Exploration

created Apr 13, 2012 | popularity 4 / 5 (6) | comments 7 | with audio podcast

IBEX and TWINS join forces to observe a solar storm

(Phys.org) -- On April 5, 2010, the sun spewed a two million-mile-per-hour stream of charged particles toward the invisible magnetic fields surrounding Earth, known as the magnetosphere. As the particles interacted ...

Space & Earth / Space Exploration

created Apr 12, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Space weather forecast: Sunspotty, with an increasing chance of solar storms

(Phys.org) -- The past few months have seen a spate of solar flares – bringing spectacular views of the northern lights as far south as Seattle – along with media speculation that the electrical ...

Space & Earth / Space Exploration

created Apr 12, 2012 | popularity 5 / 5 (2) | comments 0

Venus found to have aurora type magnetotails

(PhysOrg.com) -- Researchers studying the planet Venus have found that despite a lack of a magnetic field, the planet has magnetotails, which on Earth are part of the process known as the Northern and Southern ...

Space & Earth / Space Exploration

created Apr 06, 2012 | popularity 5 / 5 (2) | comments 3 | with audio podcast report

Solar eruptions cause sunquakes

(PhysOrg.com) -- A study led by UCL's Mullard Space Science Laboratory has shown for the first time that sunquakes can be produced during eruptions of magnetic field and charged particles, as the immense magnetic ...

Space & Earth / Space Exploration

created Apr 02, 2012 | popularity 5 / 5 (2) | comments 0

Solar 'climate change' could cause rougher space weather

(PhysOrg.com) -- Recent research shows that the space age has coincided with a period of unusually high solar activity, called a grand maximum. Isotopes in ice sheets and tree rings tell us that this grand ...

Space & Earth / Space Exploration

created Apr 02, 2012 | popularity 4.4 / 5 (9) | comments 6 | with audio podcast

TWINS/IBEX spacecraft observed impact of powerful solar storm from inside and outside Earth's magnetosphere

(PhysOrg.com) -- For the first time, instrumentation aboard two NASA missions operating from complementary vantage points watched as a powerful solar storm spewed a two million-mile-per-hour stream of charged ...

Space & Earth / Space Exploration

created Mar 28, 2012 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Space Image: Sunspots and solar flares

(PhysOrg.com) -- NASA's Solar Dynamics Observatory (SDO) captured this image of an M7.9 class flare on March 13, 2012 at 1:29 p.m. EDT. It is shown here in the 131 Angstrom wavelength, a wavelength particularly ...

Space & Earth / Space Exploration

created Mar 21, 2012 | popularity 5 / 5 (3) | comments 0

Geomagnetic data reveal unusual nature of recent solar minimum

Since the mid-1800s, scientists have been systematically measuring changes in the Earth's magnetic field and the occurrence of geomagnetic activity. Such long- term investigation has uncovered a number of cyclical changes, ...

Space & Earth / Space Exploration

created Mar 19, 2012 | popularity 4.8 / 5 (5) | comments 0

The origin of the moon's craters

(PhysOrg.com) -- Moon's craters, together with samples of the surface returned during the Apollo program, tell the story of impacts from two different populations of small bodies. The first rocky collection ...

Space & Earth / Space Exploration

created Mar 19, 2012 | popularity 4 / 5 (2) | comments 0 | with audio podcast

Solar storms join floods, terrorism as risks to UK

(AP) -- Britain has added volcanoes and solar storms to floods, flu and terrorism on a list of threats to national security.

Space & Earth / Environment

created Mar 18, 2012 | popularity 5 / 5 (2) | comments 0

A strong backhand slap from end of solar storm (Update)

The solar storm that seemed to be more fizzle than fury got much stronger early Friday before fading again.

Space & Earth / Earth Sciences

created Mar 09, 2012 | popularity 5 / 5 (1) | comments 0