Wikipedia word of the day is slingshot : To move in a manner resembling a slingshot. (especially) To use the gravity of a moving planet to add momentum to a spacecraft.

Wikipedia word of the day is slingshot : To move in a manner resembling a slingshot. (especially) To use the gravity of a moving planet to add momentum to a spacecraft. via Liberal Democratic Salon Peace Love Beauty Wisdom Balance Understanding Imagination from Tumblr http://ift.tt/1S2FvxQ via Interdisciplinary Postmodern Liberal Democratic…

+ ,

Leave a comment