News tagged with earths magnetic

SDO helps measure magnetic fields on the sun's surface

(PhysOrg.com) -- Science nuggets are a collection of early science results, new research techniques, and instrument updates that further our attempt to understand the sun and the dynamic space weather system ...

Space & Earth / Space Exploration

created Jan 20, 2012 | popularity 4.2 / 5 (5) | comments 1 | with audio podcast

NASA Goddard spacecraft cleanroom goes green

When it launches in 2014, NASA's new Magnetospheric Multiscale (MMS) mission will give scientists unprecedented insights into a little-understood physical process at the heart all space weather. This process, ...

Space & Earth / Space Exploration

created Jan 14, 2012 | popularity 3 / 5 (4) | comments 0

Could Siberian volcanism have caused the Earth's largest extinction event?

Around 250 million years ago, at the end of the Permian geologic period, there was a mass extinction so severe that it remains the most traumatic known species die-off in Earth's history. Although the cause ...

Space & Earth / Earth Sciences

created Jan 09, 2012 | popularity 4.7 / 5 (3) | comments 1 | with audio podcast

A new way to measure Earth's magnetosphere

US researchers have demonstrated the potential use of a new way to measure properties of Earth's magnetosphere, the magnetic bubble that surrounds the planet.

Space & Earth / Earth Sciences

created Jan 04, 2012 | popularity 5 / 5 (2) | comments 1

Two New Zealand scientists to travel to Antarctica to measure magnetic South Pole

(PhysOrg.com) -- While the rest of the world gets on with meeting the New Year head on, two research scientists from New Zealand are traveling to the Antarctic to take measurements of the magnet South Pole. ...

Space & Earth / Earth Sciences

created Jan 02, 2012 | popularity 4.6 / 5 (5) | comments 2 | with audio podcast report

Mercury's magnetic field -- nipped in the bud

(PhysOrg.com) -- Mercury, the smallest of the eight planets with a diameter of 4900 kilometres and the closest to the Sun, looks more like the Moon than the Earth from the outside. It is the only rocky planet ...

Space & Earth / Space Exploration

created Dec 23, 2011 | popularity 5 / 5 (3) | comments 27 | with audio podcast

New FASTSAT discoveries paint detailed view of region near Earth

Space around Earth is anything but a barren vacuum. The area seethes with electric and magnetic fields that change constantly. Charged particles flow through, moving energy around, creating electric currents, ...

Space & Earth / Space Exploration

created Nov 14, 2011 | popularity 5 / 5 (1) | comments 0

Beautiful red Aurora

(PhysOrg.com) -- A coronal mass ejection (CME) shot off the sun late in the evening of October 21 and hit Earth on October 24 at about 2 PM ET. The CME caused strong magnetic field fluctuations near Earth's ...

Space & Earth / Space Exploration

created Oct 27, 2011 | popularity 5 / 5 (1) | comments 1

Sunspot 1302: It's big. It's bad. And it's coming our way

(PhysOrg.com) -- Behemoth sunspot 1302 unleashed another strong flare on Saturday morning--an X1.9-category blast at 5:40 am EDT. NASA's Solar Dynamics Observatory (SDO) recorded the extreme ultraviolet flash.

Space & Earth / Space Exploration

created Sep 26, 2011 | popularity 5 / 5 (8) | comments 13

Japanese scientists say giant plumes will prevent new Pangaea

(PhysOrg.com) -- For much of Earth's history, the continents have shifted around, sometimes joining with others, sometimes tearing apart to form new continents. One such shift resulted in what Earth scientists ...

Space & Earth / Earth Sciences

created Sep 20, 2011 | popularity 4.2 / 5 (6) | comments 4 | with audio podcast report

Ultrafast substorm auroras explained (w/ video)

(PhysOrg.com) -- From time to time, sudden releases of energy in Earth's magnetosphere lead to major disturbances that result in bright auroral displays over the planet's polar regions. These auroras are caused by a phenomenon ...

Space & Earth / Astronomy

created Sep 06, 2011 | popularity 5 / 5 (1) | comments 3 | with audio podcast

Need for new magnet materials drives ORNL research

Increasing demand and a shrinking supply of rare earth elements for magnets creates a perfect opportunity for a research team from Oak Ridge National Laboratory and the University of Minnesota. The goal is ...

Chemistry / Materials Science

created Sep 02, 2011 | popularity 5 / 5 (1) | comments 1

Man in the moon looking younger

Earth's Moon could be younger than previously thought, according to new research from a team that includes Carnegie's Richard Carlson and former-Carnegie fellow Maud Boyet. Their work will be published online ...

Space & Earth / Space Exploration

created Aug 17, 2011 | popularity 3 / 5 (2) | comments 0 | with audio podcast

What keeps the Earth cooking?

What spreads the sea floors and moves the continents? What melts iron in the outer core and enables the Earth's magnetic field? Heat. Geologists have used temperature measurements from more than 20,000 boreholes ...

Physics / General Physics

created Jul 17, 2011 | popularity 4.6 / 5 (24) | comments 50 | with audio podcast

Ocean floor muddies China's grip on '21st-century gold'

China's monopoly over rare-earth metals could be challenged by the discovery of massive deposits of these hi-tech minerals in mud on the Pacific floor, a study on Sunday suggests.

Space & Earth / Earth Sciences

created Jul 03, 2011 | popularity 4.9 / 5 (15) | comments 21