Berkas:Earth Western Hemisphere.jpg

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Ringkasan

Deskripsi
English: “Blue Marble”. Original caption:
Much of the information contained in this image came from a single remote-sensing device-NASA’s Moderate Resolution Imaging Spectroradiometer, or MODIS. 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. 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. Two different types of ocean data were used in these images: shallow water true color data, and global ocean color (or chlorophyll) data. Topographic shading is based on the GTOPO 30 elevation dataset compiled by the U.S. Geological Survey’s EROS Data Center. 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. The cloud image is a composite of two days of imagery collected in visible light wavelengths and a third day of thermal infra-red imagery over the poles. Global city lights, derived from 9 months of observations from the Defense Meteorological Satellite Program, are superimposed on a darkened land surface map.
Tanggal
Sumber http://visibleearth.nasa.gov/view.php?id=57723
Pembuat
  • Reto Stöckli (land surface, shallow water, clouds)
  • Robert Simmon (enhancements: ocean color, compositing, 3D globes, animation)
  • Data and technical support: MODIS Land Group; MODIS Science Data Support Team; MODIS Atmosphere Group; MODIS Ocean Group
  • Additional data: USGS EROS Data Center (topography); USGS Terrestrial Remote Sensing Flagstaff Field Center (Antarctica); Defense Meteorological Satellite Program (city lights).
Versi lainnya Karya turunan dari berkas ini:  Environment Barnstar new.png

Lisensi

Public domain Berkas ini berada dalam domain publik di Amerika Serikat karena semata-mata diciptakan oleh NASA. Kebijakan hak cipta NASA menyatakan bahwa "materi NASA tidak dilindungi oleh hak cipta kecuali dicatat". (Lihat Template:PD-USGov, Halaman kebijakan hak cipta NASA atau JPL Image Use Policy.)
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8 Februari 2002

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Tanggal/WaktuMiniaturDimensiPenggunaKomentar
terkini25 Agustus 2005 03.09Miniatur versi sejak 25 Agustus 2005 03.092.048 × 2.048 (579 KB)Tom{{PD-USGov-NASA}} http://earthobservatory.nasa.gov/Newsroom/BlueMarble/Images/globe_west_2048.jpg Much of the information contained in this image came from a single remote-sensing device-NASA’s Moderate Resolution Imaging Spectroradiometer, or MODIS.

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