Deep-Space Photos: Hubble's Greatest Hits

V838 Monocerotis
In the beginning of 2002, a dull star floating some 20,000 light-years away from the sun, in the constellation Monceros, experienced a major outburst that threw illuminating dust or 'light echos' into space, temporarily making it the brightest star in the Milky Way galaxy. Since its explosion, this mysterious star's apparent brightness has changed to mere obscurity.

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