Star’s extreme proximity to Sagittarius A* means it could open new window onto black hole’s fundamental properties Astronomers have detected the fastest known star in the Milky Way, hurtling around the supermassive black hole at the heart of the galaxy. The star, called S301, travels at about 25,000km (15,500 miles) per second, 100,000 times faster than a commercial plane. It is also the closest known star to the Milky Way’s central black hole, Sagittarius A*, approaching it around the distance of Saturn to the Sun. Continue reading... from The Guardian https://ift.tt/NGtUWuq via IFTTT
Ukraine president delivers upbeat message on war progress during second White House visit since Russian invasion
President Volodymyr Zelenskiy worked to shore up US support for Ukraine on a whirlwind visit to Washington on Thursday, delivering an upbeat message on the war’s progress while facing new questions about the flow of US dollars that for 19 months have helped keep his troops in the fight against Russian forces.
The Ukrainian leader received a far quieter reception than the hero’s welcome he was given last year from Congress, but also won generally favorable comments on the next round of US aid he says he needs to stave off defeat.
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