Note 35 — Chapter VIII · VENUS.
Reading edition
Schröter’s final result. In 1788 he had derived a period of 23h 28m from observations of faint dark spots, and in 1789-91 irregularities in the S. horn of Venus gave him a period of 23h 20m 59s.
Reading edition
Schröter’s final result. In 1788 he had derived a period of 23h 28m from observations of faint dark spots, and in 1789-91 irregularities in the S. horn of Venus gave him a period of 23h 20m 59s.