21:3921:39, 10 September 2011diffhist+120
Gravity assist
→External links: The first URL (to dur.ac.uk...) was great, but the best explanation required clicking through a few links deeper: *[http://hyperphysics.phy-astr.gsu.edu/hbase/doubal.html#c4 Slingshot effect, introduced in terms of elastic colli
21:3921:39, 10 September 2011diffhist+120
Gravity assist
→External links: The first URL (to dur.ac.uk...) was great, but the best explanation required clicking through a few links deeper: *[http://hyperphysics.phy-astr.gsu.edu/hbase/doubal.html#c4 Slingshot effect, introduced in terms of elastic colli