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  2. Timeline of artificial satellites and space probes - Wikipedia

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

    Earth Success: Research satellite designed to explore Earth's ionosphere December 16 US: Pioneer 6: Delta E: Sun Success: A series of solar-orbiting, spin-stabilized, solar-cell and battery-powered satellites designed to obtain measurements on a continuing basis of interplanetary phenomena from widely separated points in space. [10] 1966 January 31

  3. Timeline of first images of Earth from space - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_first_images...

    ATS-3. First full-disk "true color" [ 41] picture of the Earth; [ 42] subsequently used on the cover of the first Whole Earth Catalog. [ 43][ 42] December 21, 1968. Apollo 8. First full-disk image of Earth from space taken by a person, probably by astronaut William Anders. [ 44] December 24, 1968.

  4. Timeline of first Earth observation satellites - Wikipedia

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

    5 March 1958. U.S. Army Ballistic Missile Agency. Failed to orbit. Vanguard 1. United States. 17 March 1958. U.S. Naval Research Laboratory. Oldest artificial satellite in orbit, along with its upper stage. Explorer 3.

  5. List of Earth observation satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_Earth_observation...

    NASA Earth science satellite fleet as of September 2020, planned through 2023. Earth observation satellite missions developed by the ESA as of 2019. Earth observation satellites are Earth-orbiting spacecraft with sensors used to collect imagery and measurements of the surface of the earth. These satellites are used to monitor short-term weather ...

  6. List of first satellites by country - Wikipedia

    en.wikipedia.org/wiki/List_of_first_satellites...

    Ghana. GhanaSat-1. All Nations University. Launched on same rocket as first Bangladeshi and Mongolian satellites. Mongolia. Mazaalai (satellite) National University of Mongolia. Launched on same rocket as first Ghanaian and Bangladeshi satellites. Latvia.

  7. History of spaceflight - Wikipedia

    en.wikipedia.org/wiki/History_of_spaceflight

    Gagarin's flight, part of the Soviet Vostok space exploration program, took 108 minutes and consisted of a single orbit of the Earth. [citation needed] On August 7, 1961, Gherman Titov, another Soviet cosmonaut, became the second man in orbit during his Vostok 2 mission. Titov orbited Earth 17 times in over 25 hours during his spaceflight. [17]

  8. Timeline of space exploration - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_space_exploration

    First rocket to reach Earth escape velocity. First spacecraft to attempt to impact the Moon's surface. First artificial object in heliocentric orbit. First detection of solar wind. USSR Luna 1: 17 February 1959: First weather satellite. USA (NRL) Vanguard 2: 7 August 1959: First photograph of Earth from Earth orbit. USA Explorer 6: 13 September ...

  9. Satellite imagery - Wikipedia

    en.wikipedia.org/wiki/Satellite_imagery

    The first images from space were taken on the sub-orbital V-2 rocket flight launched by the US on October 24, 1946. Satellite image of Fortaleza.. Satellite images (also Earth observation imagery, spaceborne photography, or simply satellite photo) are images of Earth collected by imaging satellites operated by governments and businesses around the world.