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  2. List of Earth observation satellites - Wikipedia

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

    Sensors on Earth observation satellites often take measurements of emitted energy over some portion of the electromagnetic spectrum (e.g., UV, visible, infrared, microwave, or radio). [1] The invention of climate research through the use of satellite remote telemetry began in the 1960s through development of space probes to study other planets.

  3. Visible Infrared Imaging Radiometer Suite - Wikipedia

    en.wikipedia.org/wiki/Visible_Infrared_Imaging...

    The Visible Infrared Imaging Radiometer Suite ( VIIRS) is a sensor designed and manufactured by the Raytheon Company on board the polar-orbiting Suomi National Polar-orbiting Partnership (Suomi NPP), NOAA-20, and NOAA-21 weather satellites. [1] VIIRS is one of five key instruments onboard Suomi NPP, launched on October 28, 2011. [2]

  4. Perkins Observatory - Wikipedia

    en.wikipedia.org/wiki/Perkins_Observatory

    Perkins Observatory is an astronomical observatory in Delaware, Ohio. It is owned and operated by Ohio Wesleyan University . In 1931 it had the third largest telescope in the World; the 69 inch aperture Perkins telescope came online at this observatory. [1] The mirror was the largest cast in the United States up to that time, and it was made by ...

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

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

    The site says the satellites are only visible for about four minutes. In the Sacramento area, residents should be able to get a good view of the satellites on the following days: 5:55 p.m. on ...

  6. February 13–17, 2021 North American winter storm - Wikipedia

    en.wikipedia.org/wiki/February_13–17,_2021...

    A visible satellite loop of a snow-covered South Central U.S. in the aftermath of the winter storm on February 16. After consulting Dallas Mayor Eric Johnson, two National Hockey League games between the Nashville Predators and the Dallas Stars that were scheduled for the evenings of February 15 and 16 at American Airlines Center were postponed.

  7. Earth observation satellite - Wikipedia

    en.wikipedia.org/wiki/Earth_observation_satellite

    An Earth observation satellite or Earth remote sensing satellite is a satellite used or designed for Earth observation (EO) from orbit, including spy satellites and similar ones intended for non-military uses such as environmental monitoring, meteorology, cartography and others. The most common type are Earth imaging satellites, that take ...

  8. Satellite constellation - Wikipedia

    en.wikipedia.org/wiki/Satellite_constellation

    Satellite constellation. The GPS constellation calls for 24 satellites to be distributed equally among six orbital planes. Notice how the number of satellites in view from a given point on the Earth's surface, in this example at 40°N, changes with time. A satellite constellation is a group of artificial satellites working together as a system.

  9. Earth Observing System - Wikipedia

    en.wikipedia.org/wiki/Earth_Observing_System

    Earth Observing System. The Earth Observing System ( EOS) is a program of NASA comprising a series of artificial satellite missions and scientific instruments in Earth orbit designed for long-term global observations of the land surface, biosphere, atmosphere, and oceans. Since the early 1970s, NASA has been developing its Earth Observing ...

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