Active galactic nucleus (AGN) black hole 10 billion light-years away, J2245+3743, made the biggest and brightest flare ever ...
Astronomer Robert Kirshner investigates some of the universe’s biggest questions: What happens when a star explodes? Is the universe still expanding? He recently added a new mystery to the list: Is ...
The Sun, an ever-burning ball of gas at the center of our solar system, has always fascinated people. But now, scientists are seeing it like never before. Thanks to the most powerful solar telescope ...
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