Telescopes 101
$ 15.99 · 5 (792) · In stock
Telescopes Astronomers observe distant cosmic objects using telescopes that employ mirrors and lenses to gather and focus light. The size of the main mirror or lens determines how well a telescope can collect light. The larger a mirror or lens, the more light it collects, and the better its ability to detect fainter objects. Refracting […]
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Telescopes 101
Telescopes 101