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
First global study of its kind exposes ‘staggering scale’ of crime, with one in nine men in the US admitting to the offence
More than 300 million children across the globe are victims of online sexual exploitation and abuse each year, research suggests.
In what is believed to be the first global estimate of the scale of the crisis, researchers at the University of Edinburgh found that 12.6% of the world’s children have been victims of nonconsensual talking, sharing and exposure to sexual images and video in the past year, equivalent to about 302 million young people.
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