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
Cheap ultra-processed food behind rise in overweight children, with one in 10 now obese globally, says Unicef
More children around the world are obese than underweight for the first time, according to a UN report that warns ultra-processed junk food is overwhelming childhood diets.
There are 188 million teenagers and school-age children with obesity – one in 10 – Unicef said, affecting health and development and bringing a risk of life-threatening diseases.
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