First Radial Velocity of Andromeda
Measures the Doppler shift of M31 and finds a very large approach velocity, the first radial-velocity measurement made for a spiral nebula.
United States · Science / Astronomy. Chronological records from PostgreSQL.
Measures the Doppler shift of M31 and finds a very large approach velocity, the first radial-velocity measurement made for a spiral nebula.
This factsheet contains records exported from PostgreSQL public.historical_events. Duplicate display records have been collapsed. Stored wording is otherwise presented without historical claims added by the generator. For academic citation, verify records against appropriate primary or specialist sources.