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Supernova 'Shock Breakout' Seen From Red Giant - A First

from National Geographic News

The ultraviolet flash that signals the explosion of a red supergiant star has been detected by astronomers for the first time.

"We have witnessed the violent death of a massive star in a galaxy almost a billion light-years away in unprecedented detail," said study team member Kevin Schawinski, an astrophysicist at the University of Oxford in the U.K.

The discovery comes just weeks after an independent team reported the first sighting of x-ray light from a star just as it was beginning to explode. Seeing such "first light" from supernovae could help astronomers better understand what's happening inside massive stars in their final moments.

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VIDEO: The Promise and Peril of Drones

CummingsDrones

The automation of tasks at work and at home is just around the corner, including driving cars, piloting planes, delivering packages, and transporting weapons. Unmanned aerial vehicles are rapidly evolving to meet both society’s and the military’s needs in automation and better efficiency.
During her time as one of the first female fighter pilots in the US Navy, Dr. Missy Cummings observed that computers could take off and land a plane more precisely than humans. Because of this breakthrough and her fascination with this growing technology, she began human–drone interaction research.

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