Standing on shoulders Both types of telescopes—Galileo's refractor ... that by using two different kinds of glass together in the objective lens, they could cause the red and blue ends of ...

There are three main types of telescope you'll see reduced, and each has different advantages, so we've explained each one below - so you know what to look out for. You can also check out our best ...

With the 2012 holiday season coming into its "home stretch," many people may be seriously considering the purchase of a ...

View the planets and night skies from home - Heavens above! Your guide to the best telescopes for stargazing, created for all astronomy enthusiasts ...

Best telescopes Best binoculars Best monocular ... There are different mounts to account for different types of skywatching and stargazing techniques, each with their own unique uses.

The LSST differs from the other ground-based optical telescopes in that it will have a wide field of view and will be able to move quickly between different areas of sky. Using the world's largest ...

Telescopes are devices used to observe the universe. There are many different types and some are even sited in space. Optical telescopes close optical telescopeA device used to see distant objects ...

Before making your purchase, it’s essential to have a basic understanding of the two different types of telescope and how they work. At a basic level, all scopes on the market can be labelled as ...