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ESA and NASA Stumped by Cosmic Mystery

juno flyby anomaly esa nasa

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#1    Waspie_Dwarf

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Posted 09 October 2013 - 04:11 PM

ESA and NASA Stumped by Cosmic Mystery


www.esa.int said:

9 October 2013  A mystery that has stumped scientists for decades might be one step closer to solution after ESA tracking stations carefully record signals from NASA’s Juno spacecraft as it swings by Earth today.

NASA’s deep-space probe will zip past to within 561 km at 19:21 GMT as it picks up a gravitational speed boost to help it reach Jupiter in 2016.

During the high-speed event, radio signals from the 3225 kg Juno will be carefully recorded by ESA tracking stations in Argentina and Australia.

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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#2    Leonardo

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Posted 09 October 2013 - 05:35 PM

Why can the anomaly not be simply explained by the spacecraft picking up or losing mass (space dust, etc) ? That would certainly explain it's erratic nature.

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#3    Somethings Not Right

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Posted 09 October 2013 - 09:10 PM

Or maybe.. variations in the Gravity fields created by different Planets in relation to where they are in the Solar System..


#4    Waspie_Dwarf

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Posted 09 October 2013 - 09:38 PM

View PostSomethings Not Right, on 09 October 2013 - 09:10 PM, said:

Or maybe.. variations in the Gravity fields created by different Planets in relation to where they are in the Solar System..
You know that makes no sense at all don't you?

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