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Definitions from the Web

• Term: Landsat
• Part of Speech: Noun
• Sense 1: Landsat (proper noun): A series of Earth-observing satellite missions jointly managed by NASA and the United States Geological Survey (USGS).
• Sample Sentence:
  a) Landsat satellites have provided long-term data about the Earth's land surface since the 1970s.
  b) The Landsat program plays a crucial role in monitoring changes in the Earth's landscapes.

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