Scattered X-rays from space: Turning noise into signal,As someone who has spent hundreds if not thousands of hours at the eyepiece of a telescope, I can tell you that stray light is an irritant. A nearby streetlight, or a car passing by, or even the Moon can send light into your eye, making it hard to see whatever faint fuzzy it is you’re trying to spot. Professional observatories have domes or other structures to help block stray light. Even telescopes in space use tubes or enclosures or other ways of blocking stray light from entering the optics and ruining your observations.
Scattered X-rays from space: Turning noise into signal
As someone who has spent hundreds if not thousands of hours at the eyepiece of a telescope, I can tell you that stray light is an irritant. A nearby streetlight, or a car passing by, or even the Moon can send light into your eye, making it hard to see whatever faint fuzzy it is you’re trying to spot. Professional observatories have domes or other structures to help block stray light. Even telescopes in space use tubes or enclosures or other ways of blocking stray light from entering the optics and ruining your observations.
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