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
South Korea has warned residents to be alert after media reports that more than 90 balloons carrying various objects have been detected
South Korea has warned residents living near the border with North Korea to be on alert, after media reports that balloons had been detected carrying various objects including what appeared to be rubbish and excrement.
Photographs published in South Korean media showed an inflated white balloon with a plastic bag tethered to it and in another image, what appeared to be a collapsed balloon with trash strewn around it.
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