Instead, the image is a COMBINATION and COMPOSITE of many “satellite-based observations” (whatever that means), which were “stitched together” (whatever that means) by scientists and “visualizers” (whatever that means). Google Earth is a computer program, formerly known as Keyhole EarthViewer, that renders a 3D representation of Earth based primarily on satellite imagery. It should not be confused for astronomy images collected by space telescope. Named for satellite meteorology pioneer Verner Suomi, the satellite flies over any given point on Earth's surface twice each day and flies 512 miles (824 km) above the surface in a polar orbit. NASA's newest Earth-observing satellite, Suomi NPP, collected the … Thus this photo was taken quickly in a stolen moment. On January 25, 2012, NASA released a composite image of the western hemisphere of Earth titled Blue Marble 2012. Download . [5] The image is one of the few to show an almost fully illuminated Earth as the astronauts had the Sun behind them when they took the image. [23] The original release of a single-image set covering the entire globe could not reflect the extent of seasonal snow-and-vegetative cover across both hemispheres, but this newer release closely modeled the changes of the seasons. Flying over 700 km above the Earth onboard the Terra satellite, MODIS provides an integrated tool for observing a variety of terrestrial, oceanic, and atmospheric features of the Earth. Caption by Mike Carlowicz. Earth, Behind the Scenes. This could not be done in a single day or even a week because on any given day clouds are blocking a significant portion of the surface. This projection results in a very wide-angle presentation such as one might get with a fish-eye lens, and it does not include the whole hemisphere. NASA's newest Earth-observing satellite, Suomi NPP, collected the images that went into this new view of our home planet. 2014 is one of the most active years for NASA Earth science in more than a decade. ), “After having the privilege of flying shuttle missions and seeing Earth from the vantage point of space, I’ll never forget observing our fragile planet from above with no visible political borders, only those established by the oceans and mountains and other geography,” NASA Administrator Charles Bolden wrote earlier this year. Various groups and individuals have made claims since the mid-1970s that NASA and others knowingly misled the public into believing the landings happened, by manufacturing, tampering with, or destroying evidence including photos, telemetry tapes, radio and TV transmissions, and Moon rock samples. Earthrise is a photograph of Earth and some of the Moon's surface that was taken from lunar orbit by astronaut William Anders on December 24, 1968, during the Apollo 8 mission. Unlike Apollo 17's photograph of the whole Earth, NASA's Blue Marble is not a real photograph. [32], The nighttime views were obtained with the new satellite's "day-night band" of the Visible Infrared Imaging Radiometer Suite (VIIRS), which detects light in a range of wavelengths from green to near-infrared, and uses filtering techniques to observe dim signals such as city lights, gas flares, auroras, wildfires, and reflected moonlight. The color balance has been adjusted to approximate an image that could be seen with the average human eye. Atmosphere Commander Charles "Pete" Conrad and Apollo Lunar Module Pilot Alan L. Bean performed just over one day and seven hours of lunar surface activity while Command Module Pilot Richard F. Gordon remained in lunar orbit. Science On a Sphere® Image. The Lunar Orbiter program was a series of five unmanned lunar orbiter missions launched by the United States from 1966 through 1967. Water, Visible Infrared Imaging Radiometer Suite, NASA Goddard Space The monthly evolution allows audiences to see the changing appearance of the Earth due to the season changes. In 2002, NASA released an extensive set of satellite-captured imagery, including prepared images suitable for direct human viewing, as well as complete sets suitable for use in preparing further works. The picture logged over 3.1 million views on the Flickr image hosting website within the first week of release. [22] This series of photo mosaics was produced with the aid of automated image-sifting upon images from NASA's Earth Observatory, which enabled the inclusion of a complete, cloud-free globe for each month from January to December 2004, at even higher resolution (500 m/pixel). NASA photograph AS17-148-22726, taken just before and nearly identical to 22727, is also used as a full-Earth image. This spectacular “blue marble” image is the most detailed true-color image of the entire Earth to date. Atmosphere The land and coastal ocean portions of these images are based on surface observations collected from June through September 2001 and combined, or composited, every eight days to compensate for clouds that might block the sensor’s view of the surface on any single day. In addition to the Arabian Peninsula and Madagascar, almost the entire coastline of Africa is clearly visible. Its detailed mapping program is identifying safe landing sites, locating potential resources on the Moon, characterizing the radiation environment, and demonstrating new technologies. Image of the Day The Asian mainland is on the horizon. [9] The time of Apollo 17's launch, 12:33 a.m. EST, meant that Africa was in daylight during the early hours of the spacecraft's flight. Published May 1, 2004. [20] At the time, 1 km/pixel was the most detailed imagery available for free, and permitted for reuse [21] without a need for extensive preparatory work to eliminate cloud cover and conceal missing data, or to parse specialized data formats. End Date: [23] The original release of a single-image set covering the entire globe could not reflect the extent of seasonal snow-and-vegetative cover across both hemispheres, but this newer release closely modeled the changes of the seasons. MODIS observations of polar sea ice were combined with observations of Antarctica made by the National Oceanic and Atmospheric Administration’s AVHRR sensor—the Advanced Very High Resolution Radiometer. [31]. The Far Ultraviolet Camera/Spectrograph (UVC) was one of the experiments deployed on the lunar surface by the Apollo 16 astronauts. Before there was a Blue Marble photograph or composite image of Earth, there was TIROS IX. [5], Subsequent similar images of Earth (including composites at much higher resolution) have also been termed Blue Marble images, and the phrase "blue marble" (as well as the picture itself) is frequently used, as in the Earth flag by environmental activist organizations or companies attempting to promote an environmentally conscious image. The shading is true color with the oceans shades of blue and the lands varying from green to brown. [31] The images have been used to study the spatial distribution of economic activity, to select sites for astronomical observatories, and to monitor human activities around protected areas. These were created by looking through satellite pictures taken over time in order to find as many cloudless photographs as possible to use in the final images. He is considered the father of satellite meteorology. National Oceanic and Atmospheric Administration. The picture logged over 3.1 million views on the Flickr image hosting website within the first week of release. Of all the planets NASA has explored, none have matched the dynamic complexity of our own. [8] [11] The widely published versions are cropped and chromatically adjusted from the original photographs. This visualization features a composite image captured by Suomi NPP’s VIIRS and portrays how our planet looked from space on October 14, 2015. The composite image of the eastern hemisphere was compiled from eight orbits of the satellite and ten imaging channels, then stitched together to blend the edges of each satellite pass. To the astronauts, the slightly gibbous Earth had the appearance and size of a glass marble, hence the name. The astronaut who took the picture was weightless, and the continents were hard to see, and he took the photo quickly, which explains the photo’s orientation, compared to the north up orientation of most maps. Using a collection of satellite-based observations, scientists and visualizers stitched together months of observations of the land surface, oceans, sea ice, and clouds into a seamless, true-color mosaic of every square kilometer (.386 square mile) of our planet. NASA is responsible for this dataset made from a compilation of satellite images throughout 2001. [16][citation needed], The Blue Marble was not the first clear image taken of an illuminated face of Earth, since similar shots from the ATS-3 satellite had already been made as early as 1967. There has also been a children's television program called Big Blue Marble. The most dramatic change is the expansion of the snow cover during the winter months and then the depletion of it during the summer months. [26][27] The data was obtained from six orbits of the Earth by the Suomi NPP over an eight-hour period. Photograph of the Earth taken by the crew of the Apollo 17 spacecraft, The image has the official NASA designation, Learn how and when to remove this template message, "Apollo 17 PAO Mission Commentary Transcript", "Visible Earth: The Blue Marble from Apollo 17", "Apollo 17 30th Anniversary: Antarctica Zoom-out", "Home, Sweet Home: In Praise of Apollo 17's 'Blue Marble, "The Blue Marble Shot: Our First Complete Photograph of Earth", "Apollo 17 Index: 70 mm, 35 mm, and 16 mm Photographs", "ATS-III Image Collection – Images of the Earth taken from November 1967 till March 1969", "The Blue Marble: True-Color Global Imagery at 1km Resolution", "Earth renders using the Blue Marble 2002 data", "Special: Q-Games on PS3's 'Gaia' Music Visualizer", "Most Amazing High Definition Image of Earth - Blue Marble 2012", "VIIRS Eastern Hemisphere Image - Behind the Scenes", "NASA-NOAA Satellite Reveals New Views of Earth at Night", "NASA Photos Show 'Black Marble' Earth at Night", "Satellites unveil Black Marble and spy on the moon", "Humanity gets a new Blue Marble photo of Earth — and it's stunning", A short list of places in which the image has been used, "Earth at Night: It's the end of the night as you know it; you'll see fine.
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