Preliminary Results of WISE Solid Hydrogen Testing
News • March 27th, 2009
Preliminary results of the WISE solid hydrogen testing were released. The ground hold time was measured as 52 hours, exceeding the 44 hour requirement and allowing for launch attempts on two consecutive days without cryogenic servicing. The in flight cryogenic lifetime estimate is 10 months, exceeding the 7 month requirement and allowing for the possibility of a second survey of 50% of the sky.