Apr 28 1965
From The Space Library
X-15 No. 2 was flown by pilot John B. McKay (NASA) to 92,600-ft. altitude at a maximum speed of 3,260 mph (mach 4,80) to obtain data on the landing gear modification and on stability and control. ( NASA X-15 Proj, Off,; FRC Release)
USAF orbited two unidentified satellites with a single Atlas-Agena D launch vehicle launched from Vandenberg AFB. (AP, NYT, 4/30/65, 40; U.S. Aeron. & Space Act., 1965, 140)
In its 11th test flight, the XB-70 aircraft reached a speed of 1,630 mph and an altitude of 62,000 ft.-both records for the XB-70. The aircraft's total time in the air was 14 hrs. 41 min. Flight was made from Edwards AFB with NAA pilots Alvin S. White and Van Shepard. (Clark, NYT, 4/29/65)
Quasi-stellar radio sources ("quasars"), cosmic x-ray sources, and neutron stars were discussed at NAS meeting in Washington. Jesse L. Greenstein of Mt. Wilson and Palomar Observatories suggested quasars were signs of galaxies forming-"the first condensation" of intergalactic gases, William A. Fowler of Cal Tech revived his earlier theory (proposed with Fred Hoyle) that these sources were huge energy masses created by explosive contractions of gigantic stars. Herbert Friedman of NRL presented new evidence that cosmic x-ray sources and neutron stars were not the same things. (Scientists at NRL had earlier suggested that some cosmic x-ray sources were the theoretical neutron stars.) Edwin E. Salpeter of Cornell Univ. reiterated the neutron star hypothesis, He suggested neutron stars could be oscillating stars which generate such great amounts of gravitational energy that the x-rays are produced. (Simons, Wash, Post, 4/29/65, A5)
Dr. Harold C. Urey, Univ. of California physicist, told members of the Overseas Writers Club in Washington, D.C, that Communist China could produce hydrogen bombs by a comparatively simple process and could possibly develop a nuclear delivery system in five years. Dr. Urey said Communist China had surprised world scientists, including himself, when it produced a nuclear bomb last fall with uranium 235-one of the technically most difficult ways to produce the nuclear bomb. (AP, NYT, 4/30/65, 3)
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