Astronomy and Space

Donald Howard Menzel

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.

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• ▸Epsilon Gruis
• ▸Army
• ▸Alternative fuel

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