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  2. MapQuest - Wikipedia

    en.wikipedia.org/wiki/MapQuest

    The former MapQuest logo was phased out as part of a website redesign unveiled on July 14, 2010. MapQuest's origins date to 1967 with the founding of Cartographic Services, a division of R.R. Donnelley & Sons in Chicago, which moved to Lancaster, Pennsylvania, in 1969.

  3. United States Space Surveillance Network - Wikipedia

    en.wikipedia.org/wiki/United_States_Space...

    The United States Space Surveillance Network (SSN) detects, tracks, catalogs and identifies artificial objects orbiting Earth, e.g. active/inactive satellites, spent rocket bodies, or fragmentation debris. The system is the responsibility of United States Space Command and operated by the United States Space Force and its functions are:

  4. 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.

  5. Google Street View - Wikipedia

    en.wikipedia.org/wiki/Google_Street_View

    Google Street View is a technology featured in Google Maps and Google Earth that provides interactive panoramas from positions along many streets in the world. It was launched in 2007 in several cities in the United States, and has since expanded to include all of the country's major and minor cities, as well as the cities and rural areas of many other countries worldwide.

  6. Celestial navigation - Wikipedia

    en.wikipedia.org/wiki/Celestial_navigation

    A diagram of a typical nautical sextant, a tool used in celestial navigation to measure the angle between two objects viewed by means of its optical sight. Celestial navigation, also known as astronavigation, is the practice of position fixing using stars and other celestial bodies that enables a navigator to accurately determine their actual current physical position in space or on the ...

  7. Absorption spectroscopy - Wikipedia

    en.wikipedia.org/wiki/Absorption_spectroscopy

    An overview of electromagnetic radiation absorption. This example discusses the general principle using visible light.A white beam source – emitting light of multiple wavelengths – is focused on a sample (the complementary color pairs are indicated by the yellow dotted lines).

  8. Goddard Space Flight Center - Wikipedia

    en.wikipedia.org/wiki/Goddard_Space_Flight_Center

    The Goddard Space Flight Center (GSFC) is a major NASA space research laboratory located approximately 6.5 miles (10.5 km) northeast of Washington, D.C., in Greenbelt, Maryland, United States.

  9. Starlink - Wikipedia

    en.wikipedia.org/wiki/Starlink

    Starlink is a satellite internet constellation operated by Starlink Services, LLC, a wholly owned subsidiary of American aerospace company SpaceX, [3] providing coverage to over 100 countries and territories.

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