By Shapley H.
Read or Download [Article] Studies of Magnitudes in Star Clusters V. Further Evidence of the Absence of Scattering of Light in Space PDF
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Additional info for [Article] Studies of Magnitudes in Star Clusters V. Further Evidence of the Absence of Scattering of Light in Space
Then followed a terrific explosion. . ” He was taken to a hospital where he announced his intention to make another attempt at a rocket flight. There is no record of him ever doing so. 32 This is an artist’s depiction of the 1928 flight of the Ente, the first successful rocket-powered, piloted aircraft in history. Soon after this flight, a large number of experimenters in Europe began building and flying rocket-propelled aircraft, some eventually using liquid-fuel rockets. Many other enthusiasts followed Stamer’s feat with rocket plane flights of their own.
6 and higher and at altitudes of 12 to 50 miles (19 to 80 km). The result of NACA’s program was the development of the X-15, one of the most successful research rocket planes ever flown. The X-15 was a slender, black, 50-foot (15 m) rocket plane. It had stubby, knife-edged wings and control surfaces for atmospheric flight, like those on ordinary planes. But there would be too little air to use normal wing and tail controls at the highest altitude it was expected to reach. Therefore, the X-15 also had nose and wingtip thrusters so it could be maneuvered in the fringes of space.
Then, in June 1963, the Soviets placed the first woman, Valentina Tereshkova, into orbit. (NASA had barred Russian cosmonaut Valentina women from spaceflight training Tereshkova was the first woman to until 1978. So the United States fly into space on June 16, 1963. ) 47 The Soviets continued to set the bar ever higher for the Americans by launching the first multiple-person crews into orbit. Voskhod 1 carried three cosmonauts in 1964. This was followed soon after by the two-person Voskhod 2, carrying Pavel Belyayev and Alexei Leonov.