Introduction
The NASA World Wind project allows 3D images from Landsat 7 and other sources to be freely navigated and viewed from any angle. The satellite's companion, Earth Observing-1, trails by one minute and follows the same orbital characteristics.
Satellite Specifications
Landsat 7 was designed to last for five years, and has the capacity to collect and transmit up to 532 images per day. It is in a polar, sun-synchronous orbit, meaning it scans across the entire earth's surface. With an altitude of 705 kilometers +/- 5 kilometers, it takes 232 orbits, or 16 days, to do so. The main instrument on board Landsat 7 is the Enhanced Thematic Mapper Plus (ETM+).
Satellite imagery
In August 1998, NASA contracted EarthSat to produce Landsat GeoCover — a positionally accurate orthorectified Landsat Thematic Mapper and Multispectral Scanner imagery covering the majority of the Earth's land mass. Large parts of the earth surface displayed on web mapping services like Google Maps/Google Earth, MSN Maps or Yahoo Maps are based on enhanced and color balanced Landsat 7 imagery.
Landsat 7 captured high-quality images of the Earth's surface in 2000 and 2001.
Click on the images below for more information. Visit the Gallery for more images
Satellite Specifications
Landsat 7 was designed to last for five years, and has the capacity to collect and transmit up to 532 images per day. It is in a polar, sun-synchronous orbit, meaning it scans across the entire earth's surface. With an altitude of 705 kilometers +/- 5 kilometers, it takes 232 orbits, or 16 days, to do so. The main instrument on board Landsat 7 is the Enhanced Thematic Mapper Plus (ETM+).
Satellite imagery
In August 1998, NASA contracted EarthSat to produce Landsat GeoCover — a positionally accurate orthorectified Landsat Thematic Mapper and Multispectral Scanner imagery covering the majority of the Earth's land mass. Large parts of the earth surface displayed on web mapping services like Google Maps/Google Earth, MSN Maps or Yahoo Maps are based on enhanced and color balanced Landsat 7 imagery.
Landsat 7 captured high-quality images of the Earth's surface in 2000 and 2001.
Click on the images below for more information. Visit the Gallery for more images
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