known as Caltech
U.S.-based, highly select, private university and research institute in Pasadena.
Established in 1891, it offers graduate and undergraduate instruction and research in pure and applied science and engineering. It is considered one of the world's premier scientific research centres. In 1958 its Jet Propulsion Laboratory, in conjunction with NASA, launched Explorer I, the first U.S. satellite. Caltech operates astronomical observatories at such locations as Palomar Mountain, Owens Valley, and Big Bear Lake, Calif., and Mauna Kea, Hawaii. Other facilities include a seismology laboratory, a marine biology laboratory, and a centre for the study of radio astronomy.