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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. These satellites are used to monitor short-term weather ...

  3. Earth Observing System - Wikipedia

    en.wikipedia.org/wiki/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.

  4. Crossville, Tennessee - Wikipedia

    en.wikipedia.org/wiki/Crossville,_Tennessee

    Crossville has long been a great crossroads of East and Middle Tennessee. Crossville is located at the center of Cumberland County at (35.954221, -85.031267 The city is situated atop the Cumberland Plateau amid the headwaters of the Obed River, which slices a gorge north of Crossville en route to its confluence with the Emory River to the northeast.

  5. 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.

  6. Earth Observing-1 - Wikipedia

    en.wikipedia.org/wiki/Earth_Observing-1

    Earth Observing-1 (EO-1) was a NASA Earth observation satellite created to develop and validate a number of instrument and spacecraft bus breakthrough technologies. It was intended to enable the development of future Earth imaging observatories that will have a significant increase in performance while also having reduced cost and mass.

  7. Landsat program - Wikipedia

    en.wikipedia.org/wiki/Landsat_program

    The Landsat program is the longest-running enterprise for acquisition of satellite imagery of Earth. It is a joint NASA / USGS program. On 23 July 1972, the Earth Resources Technology Satellite was launched. This was eventually renamed to Landsat 1 in 1975. [1] The most recent, Landsat 9, was launched on 27 September 2021.

  8. Surface Water and Ocean Topography - Wikipedia

    en.wikipedia.org/wiki/Surface_Water_and_Ocean...

    The satellite will overfly Earth from 78° S to 78° N, covering at least 86% of the globe. SWOT’s orbit extends from 78° S to 78° N, covering at least 86% of the globe in its three-year-long mission. SWOT revisits the same path all over the Earth every 21 days in 292 unique orbits. [8] [9]

  9. Soil Moisture Active Passive - Wikipedia

    en.wikipedia.org/wiki/Soil_Moisture_Active_Passive

    An animation of SMAP 's trajectory around Earth from 31 January 2015 to 19 August 2015: SMAP · Earth. Soil Moisture Active Passive (SMAP) is a NASA environmental monitoring satellite that measures soil moisture across the planet. It is designed to collect a global 'snapshot' of soil moisture every 2 to 3 days.

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