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
Falcon 9 rocket takes off on journey to replace duo who have been at International Space Station since June
The replacements for two Nasa astronauts who have been stuck at the International Space Station for nine months launched on Friday evening, paving the way for the pair’s long-awaited return.
SpaceX’s Falcon 9 rocket lifted off at 7.03pm ET (11.03pm GMT) in Florida carrying the four astronauts who will take over from Butch Wilmore and Suni Williams, who have been stuck on the orbital lab since June.
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