mirror
-
Improved Telescope Mirrors
When it comes to telescopes, bigger is always better. Bigger means more light-gathering power and better resolution. And a longer telescope — meaning, a longer focal length — can actually do wonders for your magnification power. Light-gathering power, by the way,…
-
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…
-
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,…
