[geocentrism] Re: Magnet experiment
- From: Paul Deema <paul_deema@xxxxxxxxxxx>
- To: Geocentrism@xxxxxxxxxxxxx
- Date: Sun, 29 Apr 2007 04:26:47 +0000 (GMT)
Allen D
At the site below, reference is made to the Galileo and Cassini missions which
received gravity assists from (among others) Earth.
A Google search on 'gravity assist earth' produces > 1.1M hits. The first page
for instance includes a reference to the Stardust mission. You've got a wealth
of data to choose from -- dare I say, a plethora, a veritable cornucopia! Sorry
-- waxing lyrical -- just can't help myself.
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http://www2.jpl.nasa.gov/basics/grav/primer.html
Some History Several robotic spacecraft have used the "gravity assist"
technique to achieve their targets "high up" in the Sun's gravity well. Voyager
2 launched in August 1977 and flew by Jupiter for reconnaissance, and for a
trajectory boost to Saturn. Voyager 1 launched the following month and did the
same (reaching Jupiter before Voyager 2 did). Voyager 2 then obtained an assist
from Saturn and another one later from Uranus, climbing all the way to Neptune
and beyond. Galileo took one kick from Venus and two from Earth, while orbiting
the Sun en route to its destination, Jupiter. Cassini took two boosts from
Venus, one from Earth, and another from Jupiter to gain enough momentum to
reach Saturn.
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Paul D
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