NASA Shares Captivating Picture of a Supernova Remnant, Calls It 'A Kaleidoscope of Colour'

https://ift.tt/eA8V8J NASA has shared a beautiful image of Cas A, the remnant of a massive star that exploded about 300 years ago, on its Instagram. The picture justifies the title picked by the space agency, which called it 'A Kaleidoscope of Colour'. Gadgets 360 https://ift.tt/2yDpjSA