Dudley Observatory, American Astronomical Society, American Institute of Physics · New York [etc.] American Institute of Physics [etc.] · leaf 55
T HE ASTRONOMICAL JOURNAL N°. 702 43 … "CURVES The to Cum >> and an asteroid is brighter either because it is nearer or because it is larger. Both reasons seem to be 17 shows a decrease corresponding however to a operating. decrease in ju. 7r shows increase in the first two quad- The co curve is low in the middle. The Q, curve is rants,…
Astronomy
Internet Archive · Gerstein - University of Toronto · Public domain (published before 1931). Free to use for anything.
