observatories
-

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…
