Figure 20-16: R I V U X G
SN 1987A—Before and After (a) This photograph shows a small section of the Large Magellanic Cloud as it appeared before the explosion of SN 1987A. The supernova’s progenitor star was a B3 blue supergiant. (b) This image shows a somewhat larger region of the sky a few days after the supernova exploded into brightness.
SN 1987A—Before and After (a) This photograph shows a small section of the Large Magellanic Cloud as it appeared before the explosion of SN 1987A. The supernova’s progenitor star was a B3 blue supergiant. (b) This image shows a somewhat larger region of the sky a few days after the supernova exploded into brightness.
(Australian Astronomical Observatory/David Malin Images)