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
Commons education committee chair says online world poses serious dangers and parents face uphill struggle
MPs have urged the next government to consider a total ban on smartphones for under 16-year-olds and a statutory ban on mobile phone use in schools as part of a crackdown on screen time for children.
Members of the House of Commons education committee made the recommendations in a report into the impact of screen time on education and wellbeing, which also called on ministers to raise the threshold for opening a social media account to 16.
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