APOD
Symbiotic Star System R Aquarii
January 4, 1996Anglo-Australian Telescope
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About This Image
Sometimes stars work together to create a spectacular display. Such is the case with the binary star system R Aquarii - a "symbiotic" star system. Here two stars, a variable giant and a white dwarf companion - create both a nebula and a jet. Light from the giant star and the unusually shaped nebula are visible in the above photograph. The two visible shells in the nebula likely resulted from two separate outburst events. Much about symbiotic star systems remains unknown.
On This Day in Space History
On January 4, 2004, NASA's Spirit rover successfully landed on Mars in Gusev Crater.
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