See Also: Mount Wilson Observatory(encyclopedia)
Rocky Mount-Wilson Regional Airport(tourism)
Wilson, (James) Harold, Baron Wilson (of Rievaulx)(encyclopedia)
observatory(2)(dictionary)
observatory(dictionary)
observatory(1)(dictionary)
observatory(encyclopedia)
observatory (as used in expressions)(encyclopedia)
Arecibo Observatory(encyclopedia)
Palomar Observatory(encyclopedia)

batrachian (iou) and Mount Wilson Observatory (sh)


batrachian (iou)



batrachian adjective & noun. M19.
[from mod. Latin Batrachia former name of the order Anura, from Greek batrakheia neut. pl. (sc. zoa animals) of adjective from batrakhos frog: see -AN.]
(Pertaining to, of the Nature or characteristic of) a frog or toad; = ANURAN.

Mount Wilson Observatory (sh)




Astronomical observatory located atop Mount Wilson, near Pasadena, California, U.S. Founded in 1904 by George Ellery Hale (1868-1938), it was operated jointly with Palomar Observatory as Hale Observatories (1948-80).

Its largest optical telescope, with a diameter of 100 in. (2.5 m), enabled Edwin Hubble and his associates to discover evidence of an expanding universe and to estimate its size.