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centaurwind · **Collision & Space Travel -** 05-26-2005, 10:18 AM

I have read on some books about deep space observer increasing its velocity through collisons with the gravity fields of planets. Its about the problem of momentum but I am not clear about how it really works, can somebody explain it to me?

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centaurwind White Belt Status: Offline Posts: 8 Thanks Given: 0 Thanked 0x in 0 Posts Join Date: May 2005 Rep Power: 0	Collision & Space Travel - 05-26-2005, 10:18 AM I have read on some books about deep space observer increasing its velocity through collisons with the gravity fields of planets. Its about the problem of momentum but I am not clear about how it really works, can somebody explain it to me?