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
Coconut biodiesel offers a cheaper alternative to fuel imports and scientists in the Pacific country are looking at how to use it more widely
On Karkar island in Papua New Guinea, hundreds of coconut trees stand tall, stretching far into the distance.
Decades ago, the fruit was a lucrative export but over the years it has become less prized on international markets. Now, the small island off the north coast of the country, is putting coconuts to another use.
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