Prina, M.; Morgante, G.; Loc, A.; Schmelzel, M.; Pearson, D.; Borders, J. W.; Bowman, R. C.; Sirbi, A.; Bhandari, P.; Wade, L. A.; Nash, A.
(2002-06-18)
JPL is developing a continuous hydrogen sorption cryocooler for the ESA Planck mission, which will measure the anisotropy in the cosmic microwave background.