Tag Archives: chromatic aberration

Improved Reflecting Telescopes

Can you tell the difference between these two telescopes? I’ll give you a hint. They are both reflectors. I know I wrote before that you’ll normally find the eyepiece (the little bit tacked onto the telescope tube) on the side with … Continue reading

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Refracting & Reflecting Telescopes

Right next to light, the telescope is an astronomer’s most valuable tool. There are so many different varieties of telescopes, it can be hard to keep them all straight. But they can all be sorted into a few basic types, … Continue reading

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