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Wilkes Land crater is an informal term that may apply to two separate cases of conjectured giant impact craters hidden beneath the ice cap of Wilkes Land, East Antarctica. These are distinguished by the names Wilkes Land anomaly and Wilkes Land mascon (mass concentration) , based on terms used in their principal published reference sources.
The Shuttle Radar Topography Mission is an international project spearheaded by the U.S. National Geospatial-Intelligence Agency ( NGA ), an agency of the U.S. Department of Defense, and the U.S. National Aeronautics and Space Administration ( NASA ). NASA transferred the SRTM payload to the Smithsonian National Air and Space Museum in 2003 ...
The Gravity Recovery and Climate Experiment ( GRACE) was a joint mission of NASA and the German Aerospace Center (DLR). Twin satellites took detailed measurements of Earth's gravity field anomalies from its launch in March 2002 to the end of its science mission in October 2017. The two satellites were sometimes called Tom and Jerry, a nod to ...
OLI structure Satellite image of the Thames Estuary taken by OLI. The Operational Land Imager (OLI) is a remote sensing instrument aboard Landsat 8, built by Ball Aerospace & Technologies. Landsat 8 is the successor to Landsat 7 and was launched on February 11, 2013. OLI is a push broom scanner that uses a four-mirror telescope with fixed mirrors.
The Surface Water and Ocean Topography(SWOT) mission is a satellite altimeterjointly developed and operated by NASAand CNES, the French space agency, in partnership with the Canadian Space Agency(CSA) and UK Space Agency(UKSA).[2] The objectives of the mission are to make the first global survey of the Earth's surface water, to observe the fine ...
Chicxulub crater. Chicxulub crater (Mexico) Free-air gravity anomaly over the Chicxulub structure (coastline and state boundaries shown as black lines) The Chicxulub crater ( IPA: [t͡ʃikʃuˈluɓ] ⓘ cheek-shoo-LOOB) is an impact crater buried underneath the Yucatán Peninsula in Mexico. Its center is offshore, but the crater is named after ...
A Sentinel-2 image of the island of South Georgia. Sentinel-2 serves a wide range of applications related to Earth's land and coastal water. The mission provides information for agricultural and forestry practices and for helping manage food security. Satellite images will be used to determine various plant indices such as leaf area chlorophyll ...
The Space Shuttle is a retired, partially reusable low Earth orbital spacecraft system operated from 1981 to 2011 by the U.S. National Aeronautics and Space Administration (NASA) as part of the Space Shuttle program. Its official program name was Space Transportation System (STS), taken from a 1969 plan for a system of reusable spacecraft where ...