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  2. 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.

  3. Timeline of artificial satellites and space probes - Wikipedia

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

    Name Launch vehicle Status Description Mass 1957 October 4 Soviet Union: Sputnik 1: Sputnik-PS: Success: The first human-made object to orbit Earth. 83.6 kg (183.9 lb) November 3 Soviet Union: Sputnik 2: Sputnik-PS: Success: The first satellite to carry a living animal, a dog named Laika. 508 kg (1,118 lb) December 6 US: Vanguard 1A: Vanguard ...

  4. Category:NASA satellites - Wikipedia

    en.wikipedia.org/wiki/Category:NASA_satellites

    NASA satellites orbiting Earth (3 C, 29 P) P. Proposed NASA satellites (3 P) T. TDRS satellites (14 P) Pages in category "NASA satellites" The following 38 pages are ...

  5. List of space telescopes - Wikipedia

    en.wikipedia.org/wiki/List_of_space_telescopes

    As the atmosphere is transparent for radio waves, radio telescopes in space are most useful for Very Long Baseline Interferometry: doing simultaneous observations of a source with both a satellite and a ground-based telescope and by correlating their signals to simulate a radio telescope the size of the separation between the two telescopes.

  6. List of Solar System probes - Wikipedia

    en.wikipedia.org/wiki/List_of_Solar_System_probes

    This is a list of space probes that have left Earth orbit (or were launched with that intention but failed), organized by their planned destination. It includes planetary probes, solar probes, and probes to asteroids and comets, but excludes lunar missions, which are listed separately at List of lunar probes and List of Apollo missions.

  7. List of communications satellite firsts - Wikipedia

    en.wikipedia.org/wiki/List_of_communications...

    First satellite to transmit television images from space (weather) April 1, 1960 United States: Echo 1: First passive reflector communications satellite: August 12, 1960 United States: Courier 1B: First active repeater communications satellite First communications satellite powered by solar cells to recharge storage batteries: October 4, 1960 ...

  8. Category:Lists of satellites - Wikipedia

    en.wikipedia.org/wiki/Category:Lists_of_satellites

    Pages in category "Lists of satellites" The following 26 pages are in this category, out of 26 total. This list may not reflect recent changes. B.

  9. List of uncrewed NASA missions - Wikipedia

    en.wikipedia.org/wiki/List_of_uncrewed_NASA_missions

    Telstar was not a NASA program but rather a commercial communication satellite project. NASA's contributions to it were limited to launch services, as well as tracking and telemetry duties. The first two Telstar satellites were experimental and nearly identical. Telstar 1 was launched on top of a Thor-Delta rocket on July 10, 1962.