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Pluto was discovered by Clyde Tombaugh at Lowell observatory .

Max Valier increases the thrust of his liquid fuel rocket engine to 8,000gm.

Max Valier installs his liquid fuel rocket engine in his RAK-6 rocket car. He drives the car around the Paul Heylandt Heylandt factory at Berlin-Brizt for 22 minutes until the fuel runs out.

Max Valier and Walter Riedel successfully use liquid oxygen in their rocket experiments for the first time. This work led to the Valier RAK-7 liquid rocket propelled car three weeks later.

German Army Ordnance Office, after reviewing work of Goddard and others, decided to establish rocket program and to equip artillery proving ground at Kummersdorf to develop military missiles.

Max Valier drives his RAK-7 rocket car with the RAK liquid fuel rocket engine for the first time in front of the press at the Paul Heylandt Heylandt factory in Berlin-Britz.

Single-stage, air-launched rocket research vehicle exceeded Mach 5 in National Advisory Committee for Aeronautics NACA Lewis Laboratory flight test.

President Eisenhower signed Executive Order 10521 on the "Administration of Scientific Research by Federal Agencies," which gave the National Science Foundation major responsibility on pure scientific research.

Second U.S.- International Geophysical year IGY satellite, VANGUARD I , launched into orbit with life expectancy of perhaps a 1,000 years, a highly successful scientific satellite which proved that the earth is slightly pear shaped. Operating on solar-powered batteries, it was still transmitting after 3 years in orbit. An experiment testing the behavior of crews under conditions of long ...

First flight launching of a spin-stabilized 20-inch-diameter spherical rocket, by NASA Langley's PARD at Wallops Station, Va. Advanced Research Projects Agency ARPA announced that DISCOVERER I was no longer in orbit.

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