A Technique Called Spatial Scanning (IMAGE)

NASA/Goddard Space Flight Center

A Technique Called Spatial Scanning

Caption

By applying a technique called spatial scanning to an age-old method for gauging distances called astronomical parallax, scientists now can use NASA's Hubble Space Telescope to make precision distance measurements 10 times farther into our galaxy than previously possible.

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NASA/ESA, A.Feild/STScI

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