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16 Nov 99
A large galaxy in the center of a cluster of galaxies located in the constellation Boötes.
08 Oct 99
A supermassive star and nebula that is one of the brightest infrared sources in the sky.
26 Aug 99
The remnant of a star that exploded about 300 years ago in the constellation Cassiopeia.
26 Aug 99
A luminous quasar in the constellation Mensa so distant that we see it as it was 6 billion years ago.