News tagged with earths magnetic

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

Hitachi unveils motor without 'rare earths'

Japanese high-tech firm Hitachi Wednesday unveiled an electric motor that does not use "rare earths", aiming to cut costs and reduce dependence on imports of the scarce minerals from China.

Technology / Engineering

created Apr 11, 2012 | popularity 3.8 / 5 (25) | comments 18

Clean energy could lead to scarce materials

As the world moves toward greater use of low-carbon and zero-carbon energy sources, a possible bottleneck looms, according to a new MIT study: the supply of certain metals needed for key clean-energy technologies.

Space & Earth / Environment

created Apr 09, 2012 | popularity 3.9 / 5 (8) | comments 25 | with audio podcast

Rare earth metals: Another challenge for the green economy?

If you follow the clean energy dialogue, then you may have encountered discussions about the role of rare earth metals at some point in the last year or two. If not, read on, because rare earths should not ...

Technology / Energy & Green Tech

created Apr 03, 2012 | popularity not rated yet | comments 1

Watching space weather through the MAGIC of CubeSat CINEMA

(PhysOrg.com) -- A trio of CubeSats that will study the effects of space weather on the Earth’s radiation belts and magnetic field are being prepared for launch. TRIO-CINEMA is a collaboration between ...

Space & Earth / Space Exploration

created Mar 27, 2012 | popularity not rated yet | comments 0

Scientists make discoveries about the ways oceans form

(PhysOrg.com) -- Scientists at Missouri University of Science and Technology have discovered magnetic stripes in Ethiopia that could indicate the coming formation of a new ocean basin in the next two million years or so. ...

Space & Earth / Earth Sciences

created Mar 16, 2012 | popularity 4 / 5 (1) | comments 0

Maglev track could launch spacecraft into orbit

(PhysOrg.com) -- With the aim to make it easier to launch spacecraft into low Earth orbit (LEO), two researchers have turned to maglev technology to catapult a payload hundreds of miles above the Earth. While ...

Space & Earth / Space Exploration

created Mar 13, 2012 | popularity 4.4 / 5 (58) | comments 37 | with audio podcast report

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

Solar storm not nearly as bad as could have been (Update 2)

Our high-tech world seems to have weathered a solar storm that was still showing signs of life late Thursday.

Space & Earth / Space Exploration

created Mar 08, 2012 | popularity 4 / 5 (4) | comments 1

Earth's magnetic field provides vital protection

(PhysOrg.com) -- A chance alignment of planets during a passing gust of the solar wind has allowed scientists to compare the protective effects of Earth’s magnetic field with that of Mars’ naked ...

Space & Earth / Space Exploration

created Mar 08, 2012 | popularity 2 / 5 (1) | comments 0

Space weather: Explosions on Venus

In the grand scheme of the solar system, Venus and Earth are almost the same distance from the sun. Yet the planets differ dramatically: Venus is some 100 times hotter than Earth and its days more than 200 ...

Space & Earth / Space Exploration

created Mar 05, 2012 | popularity 4 / 5 (9) | comments 8 | with audio podcast

Swarm constellation heads north

(PhysOrg.com) -- The three satellites that make up ESA's Swarm magnetic field mission were presented to the media today. Following a demanding testing programme, the satellites were displayed in the cleanroom ...

Space & Earth / Space Exploration

created Feb 20, 2012 | popularity 5 / 5 (3) | comments 0

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