Saturday, October 12, 2013

ScienceDaily: Astronomy News

ScienceDaily: Astronomy News


Astronomers stumped by 'flyby anomaly': Unexplained variation in spacecraft speeds

Posted: 09 Oct 2013 08:11 AM PDT

A mystery that has stumped scientists for decades might be one step closer to solution after European Space Agency tracking stations carefully record signals from NASA's Juno spacecraft as it swings by Earth. Engineers hope that the new measurements will unravel the decades-old 'flyby anomaly' -- an unexplained variation in spacecraft speeds detected during some swingbys.

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