Like jumping into the eyes as Technicolor version of Rorschach test ( psychological testing by pattern of symmetrical ) , the composite image of the seat A is elliptical galaxy . X-ray is blue , the radio signal is red , visible light is shining in yellow . | National Geographic Japan site
First seen in 1987, this supernova (dubbed SN 1987A) was the brightest supernova and nearest one to Earth in the last century. In a supernova explosion, a massive star runs out of fuel then collapses onto their core, flinging the outer layers of the star into space.