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  2. Explorer 1 - Wikipedia

    en.wikipedia.org/wiki/Explorer_1

    Explorer 1 was the first satellite launched by the United States in 1958 and was part of the U.S. participation in the International Geophysical Year (IGY). The mission followed the first two satellites, both launched by the Soviet Union during the previous year, Sputnik 1 and Sputnik 2. This began a Space Race during the Cold War between the ...

  3. Timeline of artificial satellites and space probes - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_artificial...

    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 ...

  4. History of spaceflight - Wikipedia

    en.wikipedia.org/wiki/History_of_spaceflight

    [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 ...

  5. Creation of NASA - Wikipedia

    en.wikipedia.org/wiki/Creation_of_NASA

    In the early 1950s, there was a challenge to launch an artificial satellite for the International Geophysical Year (1957–58). An effort for this was the American Project Vanguard . After the Soviet space program launched the world's first artificial satellite ( Sputnik 1 ) on October 4, 1957, the United States stepped up its own efforts.

  6. Timeline of first Earth observation satellites - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_first_Earth...

    The timeline of first Earth observation satellites shows, in chronological order, those successful Earth observation satellites, that is, Earth satellites with a program of Earth science. Sputnik 1 , while the first satellite ever launched, did not conduct Earth science.

  7. Explorers Program - Wikipedia

    en.wikipedia.org/wiki/Explorers_Program

    NASA continued to use the name for an ongoing series of relatively small space missions, typically an artificial satellite with a specific science focus. Explorer 6 in 1959 was the first scientific satellite under the project direction of NASA's Goddard Space Flight Center (GSFC) in Greenbelt, Maryland. [3] [4]

  8. Timeline of space exploration - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_space_exploration

    First solar probe. USA (NASA) Pioneer 5: 19 August 1960: First plants and animals to return alive from Earth orbit. USSR Sputnik 5: 25 September 1960 First rocket engine fired in space. USA (NASA) Pioneer P-30 [13] 31 January 1961: First hominidae in space (chimpanzee Ham). First tasks performed in space. USA (NASA) M-R 2: 12 February 1961

  9. Telstar 1 - Wikipedia

    en.wikipedia.org/wiki/Telstar_1

    Telstar 1 is a defunct communications satellite launched by NASA on July 10, 1962. One of the earliest communications satellites, it was the first satellite to achieve live transmission of broadcast television images between the United States and Europe.