Landsat 7 | Wikipedia audio article

This is an audio version of the Wikipedia Article:


00:01:02 1 Satellite specifications
00:02:04 2 Main features
00:02:45 3 Scan Line Corrector failure
00:05:42 4 Satellite imagery
00:07:05 5 See also



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"I cannot teach anybody anything, I can only make them think."
- Socrates


SUMMARY
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Landsat 7 is the seventh satellite of the Landsat program. Launched on April 15, 1999, Landsat 7's primary goal is to refresh the global archive of satellite photos, providing up-to-date and cloud-free images. The Landsat Program is managed and operated by the USGS, and data from Landsat 7 is collected and distributed by the USGS. 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, trailed by one minute and followed the same orbital characteristics, but in 2011 its fuel was depleted and EO-1's orbit began to degrade. Landsat 7 was built by Lockheed Martin Space Systems Company.
In 2016, NASA announced plans to attempt the first ever refueling of a live satellite by refueling Landsat 7 in 2020.