Using Landsat Data

For many locations outside the U.S., there may be scenes that were collected by the sensor but the data is not archived or distributed by the USGS.
The percentage of cloud cover is calculated when raw mission data from Landsat Thematic Mapper (TM) and Enhanced Thematic Mapper Plus (ETM+) are processed to Level-0R during ingest into the archive using the
EarthExplorer and Glovis   allow searching and downloading of the Landsat dataset collections held in the USGS EROS archives.
The USGS File List Ordering page allows you to enter lists of Landsat and other images (up to 100 individual files) and see which scenes can be downloaded im
Yes, the Landsat 7 Science Data User's Handbook is a living document prepared by the Landsat Project Science Office at NASA's Goddard Space Flight Center in Greenbelt, Maryland.