In addition to advanced electronics, the New Horizons probe now
wending its way to Pluto carries with it a cargo of a far more
personal nature: the ashes of Clyde Tombaugh, the astronomer who
discovered the tiny planet with his homemade telescope.
The long list of companies vying for a piece of NASA's
Commercial Orbital Transportation Service (COTS) program added
another well-known name Thursday, as Spacehab, Inc. officially
threw its hat into the ring.
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