Landsat Missions

Why are some browse images black?

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Question:

Why are some browse images black?

Answer:

Black browse images are night (ascending) scenes, which are occasionally acquired for rows 123 to 246. Black scenes with a bright oval (candle flame) are Partial Aperture Calibration (PAC) scenes, also acquired during the ascending node.

 

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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.

 

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