telescope
Chromatic Aberration
[/caption] Some colours just can’t keep up with the others! Well, that’s probably the simplest way to put it. But…
Absorption Spectroscopy
[/caption] In terms of physics, absorption is defined as the way that energy from photons is taken up by matter,…
Armazones Chile to be the Site for the 42 meter European Extremely Large Telescope?
Question: Where are the night skies always dark, cloud-free 360 days a year, bone-dry, and orbiting 3.5 km above sea…
Online Telescopes
Have you ever wondered what it would be like to look through a telescope, but don't have one? Are you…
Why Are There So Many Celestron Reviews?
I've had a couple of readers write me, wondering what was going on with all the Celestron telescope reviews. Are…
The Extremely Large Telescope
The European Southern Observatory (ESO) is planning on building a massive - and I do mean massive - telescope in…
Convex Mirror
A convex mirror is a spherical reflecting surface (or any reflecting surface fashioned into a portion of a sphere) in…
Parabolic Mirror
[/caption] Sometimes, in astronomy, the name of a thing describes it well; a parabolic mirror is, indeed, a mirror which…
Who Invented the Telescope
The history of the telescope dates back to the early 1600s. Galileo Galilei is commonly credited for inventing the telescope,…
What are Telescopes?
Early theories of the Universe were limited by the lack of telescopes. Many of modern astronomy's findings would never have…