Depression (astronomy)
Depression in astronomy refers to the negative level of a heavenly body , operating under the horizon is so continued below the horizon extension of his height circle . So has z. B. a star that is 20 ° below the horizon, therefore a depression of 20 ° .
literature
- Hermann Joseph Klein : Yearbook of Astronomy and Geophysics: Containing the most important advances in the fields of astrophysics, meteorology and physical geography , EH Mayer Volume 17, University of Chicago 1907