![]() ![]() She is now currently a contractor at NASA Goddard continuing work the BARREL and NASA Van Allen Probes satellite missions. She is member of the scientific team for a NASA-funded scientific balloon experiment project called BARREL (Balloon Array for RBSP Relativistic Electron Losses) where she looks at the population of particles lost due to these interactions. Her PhD thesis was on Electromagnetic Ion Cyclotron (EMIC) waves during the CRRES mission and their relationship to the plasmasphere and radiation belts. She moved away from waves to focus on geomagnetic storms and substorms during her masters at the University of Colorado Boulder with Dan Baker but returned once more to waves with her PhD at University of Newcastle NSW Australia. ![]() She started researching waves in Earth’s magnetosphere as an undergraduate at Augsburg College with Mark Engebretson using ground based magnetometers in the Arctic and Antarctic. Make sure to ask your questions now by visiting: !Īlexa Halford is a space physics researcher at our Goddard Space Flight Center and Dartmouth College. PDT. here on NASA’s Tumblr, where space physics researcher Alexa Halford will answer them. Ring of Fire in the sky at 10:34-10:39 a.m. The August 21st 2017 Total Solar Eclipse public engagement program was the largest, most complex, most inclusive, and most impactful education program ever. Short for Specto-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer, SPHEREx resembles a bullhorn, albeit one that will stand almost 8.5 feet tall (2.6 meters) and stretch. To the naked eye, as the Moon moves into the umbra, it looks like a bite is being taken out of the lunar disk. The Moon begins to enter Earth’s umbra and the partial eclipse begins. Credit: NASA Goddard Space Flight Center/Scientific Visualization Studio. ![]() 21 eclipse from numerous spacecraft including the International Space Station high-altitude. The map is centered on 63★2W, the sublunar longitude at mid-eclipse. The nearly four-hour program will include unprecedented images of the Aug. Here is when it will happen: Eclipse begins at 9:13 a.m. 2 days ago &0183 &32 NASA’s SPHEREx space telescope is beginning to look much like it will when it arrives in Earth orbit and starts mapping the entire sky. NASA Television is offering a special live program, Eclipse Across America: Through the Eyes of NASA with real-time coverage of the event from coast to coast. Have questions about the upcoming total solar eclipse on August 21? Join our Tumblr Answer Time session on Thursday, August 17 from 3:00 – 4:00 p.m. The Duke City is one of a few directly in the path of the eclipse. The total solar eclipse is coming! Here’s your chance to ask an eclipse scientist your questions! ![]()
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