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Explorer 1 was designed and built by California Institute of Technology 's JPL under the direction of Dr. William Hayward Pickering. It was the second satellite to carry a mission payload (Sputnik 2 was the first). The total mass of the satellite was 13.97 kg (30.8 lb), of which 8.3 kg (18 lb) were instrumentation.
First Canadian satellite (on American rocket), first satellite not constructed by the US or USSR October 2 US: Explorer 14 (EPE-B) Thor-Delta A: Earth Success NASA spacecraft instrumented to measure cosmic-ray particles, trapped particles, solar wind protons, and magnetospheric and interplanetary magnetic fields. October 18 US: Ranger 5: Atlas ...
Sputnik 1. Sputnik 1 ( / ˈspʌtnɪk, ˈspʊtnɪk /, Russian: Спутник-1, Satellite 1) was the first artificial Earth satellite. It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957 as part of the Soviet space program. It sent a radio signal back to Earth for three weeks before its three silver-zinc ...
A Defense Satellite Communications System Phase II satellite in orbit. The IDSCP was originally intended to just be an experimentation program, but was so successful that it became an operational satellite constellation. The first seven satellites were launched on 16 June 1966 by the Space Systems Division Titan IIIC. The second launch, of ...
[a] The first successful large-scale rocket programs were initiated in Nazi Germany by Wernher von Braun. The Soviet Union took the lead in the post-war Space Race, launching the first satellite, [1] the first animal, [2]: 155 the first human [3] and the first woman [4] into orbit. The United States landed the first men on the Moon in 1969 ...
First communications satellite in geostationary orbit. First Olympic broadcast to international audiences. First tandem satellite broadcast (with Relay 1) August 19, 1964. United States. OSCAR-III. First amateur radio communications satellite (relay/transponder); first OSCAR powered by solar cells. March 9, 1965.
This was the first time that a rocket entered orbit after launching from a privately owned and operated spaceport. China Chinese private company i-Space successfully launched its Hyperbola-1 rocket from Jiuquan Satellite Launch Center and sent several small payloads, including the CAS-7B amateur radio satellite into Earth orbit on July 25, 2019 ...
Sputnik crisis. The Sputnik crisis was a period of public fear and anxiety in Western nations about the perceived technological gap between the United States and Soviet Union caused by the Soviets' launch of Sputnik 1, the world's first artificial satellite. [ 1] The crisis was a significant event in the Cold War that triggered the creation of ...