Donald Howard Menzel

American astronomer (1901-1976) · United States · On the map · Scientists · Died at 75

Donald Howard Menzel 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.

Donald Howard Menzel is read about 28 times a day, in 15 languages.

A typical day, 30 days to 23 August 2026

The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.

Something wrong?