Mr. Universe.
Lemonick
M D
MD
D001256:Astronomy / Q000266:history*; D005118:Extraterrestrial Environment; D049673:History, 20th Century; D049674:History, 21st Century; D010825:Physics / Q000266:history*; D012108:Research Personnel / Q000266:history; D014481:United States; D018557:United States National Aeronautics and Space Administration / Q000266:history