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X-ray Astronomy History Quiz

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  1. Why is X-ray and gamma-ray astronomy conducted above most... if not all... of the Earth's atmosphere?


  2. To observe X-rays from the sky, X-ray detectors are flown above the Earth's atmosphere using:



  3. X-rays in the 0.5 - 5 keV range can be stopped by a few sheets of paper.

  4. A rocket launched anywhere on Earth can observe sources in both the northern and the southern sky.

  5. X-rays were first observed by:


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