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All over the world, from Bangladesh to Nepal to Rwanda, fragile hotspots have been struggling to cope with the stagnation of the Covid-19 vaccination program ....
NASA s Image of Supernova Captured by Chandra X-Ray is Out of this World FOLLOW US ON: National Aeronautics and Space Administration’s shared a spectacular image of a supernova captured by Chandra X-ray Observatory on its Instagram page last weekend. The American space agency captured a bright source of light at the centre of supernova RCW 103 remnant in 2016. The stellar object is about 10, 700 light from Earth. In its caption, NASA wrote that the bright source at the centre of supernova remnant RCW 103 is a neutron star. A supernova is an astronomical process that occurs during the last evolutionary stages of a massive star. Meanwhile, a neutron star is the collapsed core of a massive supergiant star, which had a total mass of between 10 and 25 solar masses, or probably more if the star was especially metal-rich. ....