来自MSN5 个月
What Is The Boeing 747SP, The Short And Stubby Wide-Body Jet?
However, the 747SP kept all the same electronic systems ... maker Pratt & Whitney operated two of them as a testing platform, NASA used one for its Stratospheric Observatory for Infrared Astronomy ...
SETI6 年
High School Science Teachers Named Airborne Astronomy Ambassadors – Will Fly on NASA’s ...
with participation in research flights onboard NASA’s Stratospheric Observatory for Infrared Astronomy (SOFIA). The program culminates in classroom delivery of a SOFIA science-oriented curriculum ...