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Ringkasan
| Keterangan |
English: July 29, 2015
Africa and Europe from a Million Miles Away http://www.nasa.gov/image-feature/africa-and-europe-from-a-million-miles-away Africa is front and center in this image of Earth taken by a NASA camera on the Deep Space Climate Observatory (DSCOVR) satellite. The image, taken July 6 from a vantage point one million miles from Earth, was one of the first taken by NASA’s Earth Polychromatic Imaging Camera (EPIC). Central Europe is toward the top of the image with the Sahara Desert to the south, showing the Nile River flowing to the Mediterranean Sea through Egypt. The photographic-quality color image was generated by combining three separate images of the entire Earth taken a few minutes apart. The camera takes a series of 10 images using different narrowband filters -- from ultraviolet to near infrared -- to produce a variety of science products. The red, green and blue channel images are used in these Earth images. The DSCOVR mission is a partnership between NASA, the National Oceanic and Atmospheric Administration (NOAA) and the U.S. Air Force, with the primary objective to maintain the nation’s real-time solar wind monitoring capabilities, which are critical to the accuracy and lead time of space weather alerts and forecasts from NOAA. DSCOVR was launched in February to its planned orbit at the first Lagrange point or L1, about one million miles from Earth toward the sun. It’s from that unique vantage point that the EPIC instrument is acquiring images of the entire sunlit face of Earth. Data from EPIC will be used to measure ozone and aerosol levels in Earth’s atmosphere, cloud height, vegetation properties and a variety of other features. |
| Tarikh | |
| Sumber | NASA |
| Pengarang | NASA |
Perlesenan
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) |  |
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This image has been extracted from another file : Africa and Europe from a Million Miles Away.png |
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| Tarikh/Waktu | Gambar kenit | Ukuran | Pengguna | Komen | |
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| semasa | 10:40, 27 November 2015 | | 1,662 × 1,663 (3.38 MB) | PlanetUser | File:Africa and Europe from a Million Miles Away.png cropped 7 % horizontally and 6 % vertically using CropTool with precise mode. |
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