Bidding Your Way to the Launch Pad

By Randii R. Wessen and David Porter One of the many challenges of growing up as an identical twin, as one of us (Wessen) did, is learning how to share.

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The Cassini Resource Exchange

By Randii R. Wessen and David Porter It’s amazing what you can do when you don’t have a choice. That exactly describes the Cassini mission to Saturn when its twin sister CRAF (Comet Rendezvous and Asteroid Flyby mission) was canceled.

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