#5: Gemini 4 Spacewalk, 1965
#39: Solar Flare From Skylab, 1973
#9: Jupiter's Great Red Spot, 1979
#29: First Space Shuttle Launch, 1981
#48: Ice on Europa, 1998
#40: International Space Station, 2008
#15: President Nixon Visits Apollo 11 Crew, 1969
#31: Echo 2 Satellite, 1964
#32: First TV Image of Earth From Orbit, 1960
#17: Earth and Moon, 1977
#22: Apollo 1 Fire, 1967
#41: Servicing Hubble, 1993
#18: Microwave Background, 1992
#33: Apollo-Soyuz, 1975
#46: Volcano on Io, 1979
#10: Saturn V Launch, 1969
#12: Mercury Astronauts
#27: Saturn 1 Launch, 1965
#38: Viking 2 on Mars, 1976
#50: Shuttle Enterprise with cast of Star Trek, 1976