Chasing a stellar flash

Last year, ESA’s Gaia mission helped astronomers make unique observations of Neptune’s large moon Triton as it passed in front of a distant star. This is a preview of the superb quality and versatility of the Gaia data that will be released in April.
For more about this story see http://sci.esa.int/gaia/60011-chasing-a-stellar-flash-with-assistance-from-gaia/

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