What is an active remote sensing instrument?

It emits energy and records reflections.

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  1. It only watches sunlight
  2. It never records data
  3. It emits energy and records reflections ✔

Why: Active instruments emit energy and record the reflections that return.

Huh, didn't know that: Active instruments emit energy and record the reflections that return.

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Active sensors make the first move.
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References

Answer: It emits energy and records reflections. Active instruments emit energy and record the reflections that return.

  1. Archaeology en.wikipedia.org/wiki/Archaeology
    Active instruments emit energy and record the reflections.
    Checked 2026-11-07.

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