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
Cancer Research UK notes particular rise in diagnoses among older people and says majority of cases are preventable
Rates of melanoma skin cancer have reached an all-time high in the UK, according to analysis that highlights a substantial rise in the number of cases over the past decade, particularly among older people.
New diagnoses increased by almost a third from 21 to 28 in every 100,000 people between 2007-09 and 2017-19, according to Cancer Research UK (CRUK) figures, with a 57% rise among the over-80s and a 7% rise in those aged 25 to 49.
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