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Topic: Hanover NH

NASA launches Three Sounding Rockets to study Alaska Auroras

 

Written by Keith Koehler
NASA’s Wallops Flight Facility

NASA - National Aeronautics and Space AdministrationWallops Island, VA – Three NASA rockets carrying instruments into active auroras over Alaska to aid scientists studying the northern lights and the interactions of the solar wind with Earth’s upper atmosphere and ionosphere were launched within a nearly two-hour period March 2nd, 2017.

The instruments were successfully carried on Black IX sounding rockets from the Poker Flat Research Range north of Fairbanks. The first two rockets were launched nearly simultaneously at 12:41am and 12:42:30am EST as part of the Neutral Jets in Auroral Arcs mission. 

Two NASA sounding rockets are launched 90-seconds apart into an active aurora from the Poker Flat Research Range in Alaska. (NASA/Terry Zaperach)

Two NASA sounding rockets are launched 90-seconds apart into an active aurora from the Poker Flat Research Range in Alaska. (NASA/Terry Zaperach)

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NASA’s airborne survey of polar ice “Operation IceBridge” finishes Spring Campaign in the Arctic

 

Written by Maria-Jose Viñas
NASA’s Earth Science News Team

NASA - National Aeronautics and Space AdministrationGreenbelt, MD – Operation IceBridge, NASA’s airborne survey of polar ice, ended its eighth spring Arctic campaign on May 21st. During their five weeks of operations, mission scientists carried out six research flights over sea ice and ten over land ice.

“We collected data over key portions of the Greenland Ice Sheet, like the fast-changing Zachariae Isstrom Glacier, and we got the broad geographic coverage of Arctic sea ice we needed,” said Nathan Kurtz, IceBridge’s project scientist and a sea ice researcher at NASA’s Goddard Space Flight Center in Greenbelt, Maryland.

Fast-changing Zachariae Isstrom Glacier. (NASA/Maria-José Viñas)

Fast-changing Zachariae Isstrom Glacier. (NASA/Maria-José Viñas)

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NASA’s reports Astronomers have found Green Galaxy churning out Stars

 

Written by Whitney Clavin
NASA’s Jet Propulsion Laboratory

NASA - National Aeronautics and Space AdministrationPasadena, CA – Astronomers have spotted the “greenest” of galaxies, one that converts fuel into stars with almost 100-percent efficiency.

The findings come from NASA’s Wide-field Infrared Survey Explorer (WISE), NASA’s Hubble Space Telescope and the IRAM Plateau de Bure interferometer in the French Alps.

“This galaxy is remarkably efficient,” said Jim Geach of McGill University in Canada, lead author of a new study appearing in the Astrophysical Journal Letters. “It’s converting its gas supply into new stars at the maximum rate thought possible.”

The tiny red spot in this image is one of the most efficient star-making galaxies ever observed, converting gas into stars at the maximum possible rate. (Image credit: NASA/JPL-Caltech/STScI/IRAM)

The tiny red spot in this image is one of the most efficient star-making galaxies ever observed, converting gas into stars at the maximum possible rate. (Image credit: NASA/JPL-Caltech/STScI/IRAM)

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NASA newest robot GROVER heads to Greenland to explore Ice Sheet

 

Written by Steve Cole
NASA Headquarters

NASA - National Aeronautics and Space AdministrationWashington, D.C. – NASA’s newest scientific rover is set for testing May 3rd through June 8th in the highest part of Greenland.

The robot known as GROVER, which stands for both Greenland Rover and Goddard Remotely Operated Vehicle for Exploration and Research, will roam the frigid landscape collecting measurements to help scientists better understand changes in the massive ice sheet.

A prototype of GROVER, minus its solar panels, was tested in January 2012 at a ski resort in Idaho. The laptop in the picture is for testing purposes only and is not mounted on the final prototype. (Credit: Gabriel Trisca, Boise State University)

A prototype of GROVER, minus its solar panels, was tested in January 2012 at a ski resort in Idaho. The laptop in the picture is for testing purposes only and is not mounted on the final prototype. (Credit: Gabriel Trisca, Boise State University)

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