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Which way does the solar wind blow?

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IMAGE: (Top panel, from left to right) July 12, 2012 coronal mass ejection seen in STEREO B Cor2, SOHO C2, and STEREO A Cor2 coronagraphs, respectively. (Bottom panel) The same images.
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Credit: Talwinder Singh, Mehmet S. Yalim, Nikolai V. Pogorelov, and Nat Gopalswamy
The surface of the sun churns with energy and frequently ejects masses of highly-magnetized plasma towards Earth. Sometimes these ejections are strong enough to crash through the magnetosphere the natural magnetic shield that protects the Earth damaging satellites or electrical grids. Such space weather events can be catastrophic.
Astronomers have studied the sun s activity for centuries with greater and greater understanding. Today, computers are central to the quest to understand the sun s behavior and its role in space weather events. ....

San Diego , United States , Mangala Sharma , Nikolai Pogorelov , Vadim Roytershteyn Space Science Institute , University Of Alabama , Texas Advanced Computing Center , Space Systems Research Corporation , National Science Foundation , Lawrence Berkeley National Laboratory , Geospace Sciences , Division Of Atmospheric , Marshall Space Flight Centers , Predictive Science Inc , San Diego Supercomputing Center , Promoting Research , Space Weather , Space Science , Program Director , Predictive Science , Space Systems Research , Astrophysical Journal , Michael Gedalin , Ben Gurion University , Vadim Roytershteyn , Space Science Institute ,

High energy telescopes dissect the afterglow of a gamma ray burst

Astronomers have measured very-high-energy gamma rays coming from the aftermath of a gamma ray burst - an enormously energetic explosion of a star in another galaxy. ....

High Energy Stereoscopic System , Chemistry Physics Materials Sciences , Space Planetary Science , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் ,

Astronomers discover a massive star cluster, of intermediate age, in the constellation Scutum

Credit: Gabriel Pérez Díaz, SMM (IAC).
An international team of astrophysicists led by the Stellar Astrophysics Group of the University of Alicante (UA), the Instituto de Astrofísica de Canarias (IAC), and the University of Valparaíso (Chile) has discovered a massive cluster of stars of intermediate age in the direction of the Scutum constellation. This object, which has been named Valparaíso 1, lies some seven thousand light years away from the Sun, and contains at least fifteen thousand stars. To detect it, observations have been combined from ESA s Gaia satellite, and various ground-based telescopes, including the Isaac Newton Telescope at the Roque de los Muchachos Observatory (Garafía, La Palma, Canary Islands). The result has been published in ....

La Palma , Ignacio Negueruela , Los Muchachos , Ricardo Dorda , Monthly Notices Of The Royal Astronomical Society , European Space Agency , University Of Valpara , University Of Alicante , Stellar Astrophysics Group , Instituto De Astrof , Isaac Newton Telescope , Roque De Los Muchachos Observatory , Canary Islands , Monthly Notices , Royal Astronomical Society , Las Campanas Observatory , Space Planetary Science , Stars The Sun , லா பால்மா , லாஸ் முச்சாச்சோஸ் , மாதாந்திர அறிவிப்புகள் ஆஃப் தி அரச வானியல் சமூகம் , பல்கலைக்கழகம் ஆஃப் அளிக்கண்டே , ஐஸ்யாக் நியூட்டன் தொலைநோக்கி , ரோக் டி லாஸ் முச்சாச்சோஸ் கண்காணிப்பு , கேனரி தீவுகள் , மாதாந்திர அறிவிப்புகள் ,

Largest aerospace society names Sandia researcher 'Engineer of the Year'

Sandia researcher Humberto Tito Silva III has been named Engineer of the Year by AIAA, the world s largest aerospace technical society. Silva s work improved failure-rate predictions of aerospace flight systems as they reenter Earth s atmosphere. The work helps direct engineers to attack the worst problems first for reentry rockets, spaceships and satellites. ....

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NRAO selects contractor for next-generation VLA antenna development

The National Radio Astronomy Observatory has selected a contractor to develop a production-ready design and build a prototype antenna for the Next Generation Very Large Array (ngVLA). The ngVLA is proposed as an array of 263 dish antennas spread across North America to form a cutting-edge scientific tool for the coming decades. ....

Plains Of San Agustin , New Mexico , United States , New Hampshire , West Virginia , Mark Mckinnon , Lutz Stenvers , Tony Beasley , Adam Cohen , Karlg Jansky , Us Decadal Survey On Astronomy , National Science Board , National Radio Astronomy Observatory , Universities Inc , Us National Academy Of Sciences , National Science Foundation , Next Generation Very Large Array , North America , Very Large Array , Science Board , Associated Universities , Managing Shareholder , San Agustin , Puerto Rico , Arecibo Observatory , Chemistry Physics Materials Sciences ,