News tagged with ionosphere

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sky, sun

A lightning strike in Africa helps take the pulse of the sun

Space & Earth / Space Exploration

created Nov 11, 2009 | popularity 4.5 / 5 (11) | comments 2

Sunspots, which rotate around the sun's surface, tell us a great deal about our own planet. Scientists rely on them, for instance, to measure the sun's rotation or to prepare long-range forecasts of the Earth's ...


Longest lightning storm on Saturn breaks Solar System record

Longest lightning storm on Saturn breaks Solar System record

Space & Earth / Space Exploration

created Sep 15, 2009 | popularity 3.7 / 5 (3) | comments 0

A powerful lightning storm in Saturn’s atmosphere that began in mid-January 2009 has become the Solar System’s longest continuously observed thunderstorm.  It broke the record duration of 7.5 months set by ...


THEMIS satellite tracks electrical tornadoes in space

THEMIS satellite tracks electrical tornadoes in space

Space & Earth / Space Exploration

created Apr 23, 2009 | popularity 4.5 / 5 (4) | comments 1

(PhysOrg.com) -- Earth-bound tornadoes are puny compared to "space tornadoes," which span a volume as large as Earth and produce electrical currents exceeding 100,000 amperes, according to new observations ...


NASA instruments document contraction of the boundary between the Earth's ionosphere, space

NASA instruments document contraction of the boundary between the Earth's ionosphere, space

Space & Earth / Earth Sciences

created Dec 15, 2008 | popularity 4.2 / 5 (9) | comments 0

(PhysOrg.com) -- Observations made by NASA instruments onboard an Air Force satellite have shown that the boundary between the Earth's upper atmosphere and space has moved to extraordinarily low altitudes. ...





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NRL sensor provides critical space weather observations

NRL sensor provides critical space weather observations

Space & Earth / Space Exploration

created Nov 03, 2009 | popularity not rated yet | comments 0

Launched from Vandenberg Air Force Base, Calif., aboard an United Launch Alliance Atlas V launch vehicle, Oct. 18, 2009, the Special Sensor Ultraviolet Limb Imager (SSULI) developed by NRL's Space Science ...


FASTSAT instruments shipped to NASA Marshall for tests and launch preparation

FASTSAT instruments shipped for tests and launch preparation

Space & Earth / Space Exploration

created Oct 26, 2009 | popularity 5 / 5 (1) | comments 0

Three of the satellite instruments that will fly on an upcoming satellite mission called "FASTSAT" have been created at one NASA center and have arrived at another for more tests to ensure they are flight ...


NRL brings new hyperspectral atmospheric and ocean science to the International Space Station

New hyperspectral imager launched to International Space Station

Space & Earth / Space Exploration

created Sep 10, 2009 | popularity not rated yet | comments 0

Following a fast-paced 16 month design and development process, NRL's Remote Sensing and Space Science Divisions and the Naval Center for Space Technology provide the first-ever high quality and real-time ...


Scientists discover surprise in Earth's upper atmosphere

Scientists discover surprise in Earth's upper atmosphere

Space & Earth / Earth Sciences

created Sep 10, 2009 | popularity 4.6 / 5 (23) | comments 5

(PhysOrg.com) -- UCLA atmospheric scientists have discovered a previously unknown basic mode of energy transfer from the solar wind to the Earth's magnetosphere. The research, federally funded by the National ...


Lightning's mirror image... only much bigger

Lightning’s Mirror Image, Only Much Bigger (w/ Video)

Space & Earth / Earth Sciences

created Aug 23, 2009 | popularity 4.5 / 5 (17) | comments 9

(PhysOrg.com) -- With a very lucky shot, scientists have captured a one-second image and the electrical fingerprint of huge lightning that flowed 40 miles upward from the top of a storm.


Scientists make first discovery using revolutionary long wavelength demonstrator array

Scientists make first discovery using revolutionary long wavelength demonstrator array

Space & Earth / Astronomy

created Aug 18, 2009 | popularity 4.6 / 5 (9) | comments 0

Scientists from NRL's Space Science and Remote Sensing Divisions, in collaboration with researchers from the University of New Mexico and the National Radio Astronomy Observatory located in Socorro, N.M., ...


Space Porch Open for Business

Space Porch Open for Business

Space & Earth / Space Exploration

created Aug 10, 2009 | popularity 4.3 / 5 (3) | comments 0

(PhysOrg.com) -- The International Space Station has a new "engawa" -- and it's open for business.


The search for ET just got easier

Space & Earth / Astronomy

created Jun 10, 2009 | popularity 4.6 / 5 (13) | comments 2

Astronomers using the Science and Technology Facilities Council's (STFC) William Herschel Telescope (WHT) on La Palma have confirmed an effective way to search the atmospheres of planets for signs of life, vastly improving ...


New research contributes to defense of Earth's technologies

Space & Earth / Space Exploration

created Jun 03, 2009 | popularity 5 / 5 (2) | comments 1

University of Leicester researchers have taken a step forward in helping to create a defence for earth's technologies -from the constant threat of space weather.


STEREO Reveals the Anatomy of a Solar Storm in 3D

Space & Earth / Space Exploration

created Apr 28, 2009 | popularity 5 / 5 (3) | comments 0

(PhysOrg.com) -- Observations from NASA's twin Solar Terrestrial Relations Observatory (STEREO) spacecraft have allowed scientists to reveal for the first time the speed, trajectory, and three-dimensional shape of solar explosions ...



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