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  2. Timeline of artificial satellites and space probes - Wikipedia

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

    Artificial satellites and space probes in the 1980s Year Origin Name Target Status Description 1980 US: Solar Maximum Mission: Sun: Failure: Solar Maximum Mission solar probe succeeded after being repaired in Earth orbit 1981 India: Bhaskara-2: Earth: Success: Bhaskara-2 satellite; launched on Russian Kosmos-3M rocket for ISRO Soviet Union ...

  3. Satellite - Wikipedia

    en.wikipedia.org/wiki/Satellite

    This is an accepted version of this page This is the latest accepted revision, reviewed on 2 January 2025. Objects intentionally placed into orbit This article is about human-made satellites. For moons, see Natural satellite. For other uses, see Satellite (disambiguation). Two CubeSats orbiting around Earth after being deployed from the ISS Kibō module's Small Satellite Orbital Deployer A ...

  4. 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.

  5. Communications satellite - Wikipedia

    en.wikipedia.org/wiki/Communications_satellite

    This orbit has the special characteristic that the apparent position of the satellite in the sky when viewed by a ground observer does not change, the satellite appears to "stand still" in the sky. This is because the satellite's orbital period is the same as the rotation rate of the Earth. The advantage of this orbit is that ground antennas do ...

  6. 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.

  7. Space research - Wikipedia

    en.wikipedia.org/wiki/Space_research

    The 5,900 kg (13,000 lb) satellite was deployed from the Space Shuttle Discovery during the STS-48 mission on 15 September 1991. It was the first multi-instrumented satellite to study various aspects of the Earth's atmosphere and have a better understanding of photochemistry. After 14 years of service, the UARS finished its scientific career in ...

  8. How to catch a rare and brief glimpse of Starlink satellites ...

    www.aol.com/news/rare-brief-glimpse-starlink...

    “The satellites can appear as a string of pearls or a ‘train’ of bright lights moving across the night sky,” according to Space.com. “Starlink satellites are easier to see a day or two ...

  9. History of spaceflight - Wikipedia

    en.wikipedia.org/wiki/History_of_spaceflight

    On October 4, 1957, the Soviet Union launched Sputnik 1, the first artificial satellite of Earth in the history of humankind. Explorer 1 satellite, the third Satellite put into orbit, and the first by NASA. On November 3, 1957, the Soviet Union launched the second satellite, Sputnik 2, and the first to carry a living animal into orbit, a dog ...