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Comet Hitchhiker would take tour of small solar-system bodies

2 September 2015 Astronomy Now

A concept called Comet Hitchhiker, developed at NASA’s Jet Propulsion Laboratory, puts forth a new way to get into orbit and land on comets and asteroids, using the kinetic energy — the energy of motion — of these small bodies. Masahiro Ono, the principal investigator based at JPL, had Douglas Adams’ “Hitchhiker’s Guide to the Galaxy” in mind when dreaming up the idea.