Why do some Landsat browse images appear pixilated?
This is an artifact of the browse generation process and is common for scenes that are located over flat, low-contrast areas, such as water, sand, and snow. The actual data will not appear this way.
Landsat represents the world's longest continuously acquired collection of space-based moderate-resolution land remote sensing data. Four decades of imagery provides a unique resource for those who work in agriculture, geology, forestry, regional planning, education, mapping, and global change research. Landsat images are also invaluable for emergency response and disaster relief.
The Landsat Update is an informal communication tool, prepared periodically and distributed electronically to USGS Landsat partners, to provide information about Landsat activities and related topics of interest.