X-ray telescope

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At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

An X-ray telescope (XRT) is a telescope that is designed to observe remote objects in the X-ray spectrum. X-rays are absorbed by the Earth's atmosphere, so instruments to detect X-rays must be taken to high altitude by balloons, sounding rockets, or satellites.

Excerpt from the Wikipedia article “X-ray telescope”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: NASA, Public domain, via Wikimedia Commons.