Astronomy and Space
Donald Howard Menzel (April 11, 1901 – December 14, 1976) was one of the first theoretical astronomers and astrophysicists in the United States. He discovered the physical properties of the solar chromosphere, the chemistry of stars, the atmosphere of Mars, and the nature of gaseous nebulae.
Amateur Radio on the International Space Station.
Global Observing Satellite for Greenhouse gases and Water cycle.
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