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Colônia Crater
The Colônia crater is a recently confirmed impact crater located in the municipality of São Paulo (city), São Paulo, Brazil. It is a round bowl-shaped depression, without any obvious central bulge, with a diameter of about , bounded by a circular ring of hills about high relative to the inner depression. Its approximate location is 23°52′15″ South and 46°42′30″ West, above sea level. The name comes from the town Colônia district, São Paulo, district of Colônia located just north of the feature. Geology and ecology Some geologists believe that the feature was created by the impact of a meteorite with a diameter of about . It was formed between 1 millionCláudio Riccomini, Álvaro Crósta, Marie-Pierre Ledru, Renato Luis Prado, Bruno Turq, Lucy Sant'Anna, José Ferrari, and Wolf Reimold (2011), ''The Colônia structure, São Paulo, Brazil''. Meteoritic & Planetary Science, to appear and 20 million years ago, in crystalline basement rocks 600 to 700 millions of y ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Landsat Program
The Landsat program is the longest-running enterprise for acquisition of satellite imagery of Earth. It is a joint NASA / United States Geological Survey, USGS program. On 23 July 1972, the Landsat 1, Earth Resources Technology Satellite was launched. This was eventually renamed to Landsat 1 in 1975. The most recent, Landsat 9, was launched on 27 September 2021. The instruments on the Landsat satellites have acquired millions of images. The images, archived in the United States and at Landsat receiving stations around the world, are a unique resource for global change research and applications in agriculture, cartography, geology, forestry, regional planning, surveillance and education, and can be viewed through the U.S. Geological Survey (USGS) "EarthExplorer" website. Landsat 7 data has eight spectral bands with Image resolution#Spatial resolution, spatial resolutions ranging from ; the temporal resolution is 16 days. Landsat images are usually divided into scenes for easy do ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
