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解説Blue Marble Western Hemisphere.jpgEnglish: RELEASE DATE: OCTOBER 9, 2007 Credit: NASA/Goddard Space Flight Center/Reto Stockli A day’s clouds. The shape and texture of the land. The living ocean. City lights as a beacon of human presence across the globe. This amazingly beautiful view of Earth from space is a fusion of science and art, a showcase for the remote-sensing technology that makes such views possible, and a testament to the passion and creativity of the scientists who devote their careers to understanding how land, ocean, and atmosphere?even life itself?interact to generate Earth’s unique (as far as we know!) life-sustaining environment. Drawing on data from multiple satellite missions (not all collected at the same time), a team of NASA scientists and graphic artists created layers of global data for everything from the land surface, to polar sea ice, to the light reflected by the chlorophyll in the billions of microscopic plants that grow in the ocean. They wrapped these layers around a globe, set it against a black background, and simulated the hazy edge of the Earth’s atmosphere (the limb) that appears in astronaut photography of the Earth. The land surface layer is based on photo-like surface reflectance observations (reflected sunlight) measured by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite in July 2004. The sea ice layer near the poles comes from Terra MODIS observations of daytime sea ice observed between August 28 and September 6, 2001. The ocean layer is a composite. In shallow water areas, the layer shows surface reflectances observed by Terra MODIS in July 2004. In the open ocean, the photo-like layer is overlaid with observations of the average ocean chlorophyll content for 2004. NASA’s Aqua MODIS collected the chlorophyll data. The cloud layer shows a single-day snapshot of clouds observed by Terra MODIS across the planet on July 29, 2001. City lights on Earth’s night side are visualized from data collected by the Defense Meteorological Satellite Program mission between 1994?1995. The topography layer is based on radar data collected by the Space Shuttle Endeavour during an 11-day mission in February of 2000. Topography over Antarctica comes from the Radarsat Antarctic Mapping Project, version 2. Most of the data layers in this visualization are available as monthly composites as part of NASA’s Blue Marble Next Generation image collection. The images in the collection appear in cylindrical projection (rectangular maps), and they are available at 500-meter resolution. The large images provided above are the full-size versions of these globes. In their hope that these images will inspire people to appreciate the beauty of our home planet and to learn about the Earth system, the developers of these images encourage readers to re-use and re-publish the images freely. NASA images by Reto Stockli, based on data from NASA and NOAA. To learn the history of the Blue Marble go here: ⇒earthobservatory.nasa.gov/Features/BlueMarble/BlueMarble_... To learn more about the Blue Marble go here: ⇒earthobservatory.nasa.gov/IOTD/view.php?id=8108 ⇒NASA Goddard Space Flight Center is home to the nation's largest organization of combined scientists, engineers and technologists that build spacecraft, instruments and new technology to study the Earth, the sun, our solar system, and the universe. Follow us on Twitter
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概要
日付2007年10月2日, 08:43:51
原典Earth Observatory: ⇒Twin Blue Marbles
作者NASA images by Reto Stockli, based on data from NASA and NOAA. Instrument: Terra - MODIS
評価
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この画像は2023年11月30日の今日の一枚に選ばれました。その際の説明文は以下のとおりでした。English: The Blue Marble (2007).mw-parser-output .tpl-hidden{clear:both}.mw-parser-output .tpl-hidden>.mw-collapsible-toggle{float:none}.mw-parser-output .tpl-hidden::before{display:none}html.client-js .mw-parser-output .tpl-hidden-headertext{padding-left:18px}.mw-parser-output .tpl-hidden.mw-made-collapsible>.mw-collapsible-toggle>.tpl-hidden-headertext{background-image:url("https://upload.wikimedia.org/wikipedia/commons/1/10/MediaWiki_Vector_skin_action_arrow.png");background-position:left 50%;background-repeat:no-repeat}.mw-parser-output .mw-content-ltr .tpl-hidden.mw-made-collapsible.mw-collapsed>.mw-collapsible-toggle>.tpl-hidden-headertext{background-image:url("https://upload.wikimedia.org/wikipedia/commons/4/41/MediaWiki_Vector_skin_right_arrow.png")}.mw-parser-output .mw-content-rtl .tpl-hidden.mw-made-collapsible.mw-collapsed>.mw-collapsible-toggle>.tpl-hidden-headertext{background-image:url("https://upload.wikimedia.org/wikipedia/commons/1/1e/MediaWiki_Vector_skin_left_arrow.png")}他の言語?e?tina: Modra sklen?nka foto z roku 2007.Deutsch: Die westliche Hemisphare der Erde, zusammengesetzt aus unterschiedlichen Einzelaufnahmen.English: The Blue Marble (2007)Espanol: Mosaico de fotografias del hemisferio occidental, proyectadas sobre una esfera y procesadas.Esperanto: la Blua GlobetoFrancais?: L'hemisphere ouest de la Terre vu depuis l'espace, avec le continent americain a gauche et l'Europe et l'Afrique a droite. Photo recreee par la NASA en fusionnant plusieurs images prises par differentes missions spatiales.Magyar: A Fold nyugati feltekejer?l keszult fenykepek mozaikja gombre vetitve es feldolgozvaNederlands: Blue Marble (2007)Polski: Mozaika zdj?? po?kuli zachodniej, zrzutowana na sfer? i poddana obrobce.Portugues: Mosaico de fotografias do hemisferio ocidental, projetadas em uma esfera e processadas.Македонски: Западната полутопка на Зем?ата.Русский: Изображение, составленное из мозаики фотографий Западного полушария Земли из космоса.Укра?нська: Моза?ка фотограф?й Зах?дно? п?вкул? Земл?, спроектованих на сферу та оброблених.中文： 《藍色彈珠》，拍?于2007年
