Posts Tagged ‘Nasa’

Space weather could cripple electric grid

This 19 August, 2004 NASA Solar and Heliospheric Administration image shows a solar flare(R) erupting from giant sunspot 649. (HO/AFP/Getty Images) magnetosphere, they triggered a fierce geomagnetic storm that lit up the sky and frazzled communication …

Disks don’t need planets to make patterns, NASA study shows

Many young stars known to host planets also possess disks containing dust and icy grains, particles produced by collisions among asteroids and comets also orbiting the star. These debris disks often show sharply defined rings or spiral patterns, featur…

Debris disks dont need planets to form rings

A new study has found that a debris disk does not need planets to produce narrow rings on its own. “When the mass of gas is roughly equal to the mass of dust, the two interact in a way that leads to clumping in the dust and the formation of patterns,” …

Scientists track solar ‘tsunami’ to measure sun’s magnetic field

London (UPI) Jul 11, 2013

British astrophysicists report they’ve used a solar “tsunami” observed by U.S. and Japanese spacecraft to measure the sun’s magnetic field.
Solar tsunamis such as the one observed by NASA’s Solar Dynamics Observatory and…

NASA’s OPALS to Beam Data From Space Via Laser

Pasadena CA (JPL) Jul 12, 2013

NASA will use the International Space Station to test a new communications technology that could dramatically improve spacecraft communications, enhance commercial missions and strengthen transmission of scientific da…

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