An optical reflecting telescope works by using a mirror to reflect incoming light. The image is formed by a reflection from a curved mirror, which is then magnified by a second mirror.

Choosing the best telescope for the money depends to a large extent on what you hope to see. If you want to scan distant nebulas, you can pay $1,000 and up, and it will still be good value. If you ...

After decades of planning and construction, the Vera C. Rubin Observatory is about to begin a 10-year survey of the southern ...

As of 2013, the largest reflecting telescope in the world is the Gran Telescopio Canarias in La Palma, Spain, with a mirror diameter of 34.2 feet (10.4 meters). Within a decade, much larger ...

Reflector, Refractor, Hybrid and Dobsonain Telescopes - Each has certain advantages for the beginner. (Image credit: SPACE.com) Were you lucky enough to get a new telescope for Christmas?

For those new to telescopes, the Celestron 114LCM is a Newtonian reflecting telescope. Invented by the English scientist Sir Isaac Newton, this type of telescope uses a concave primary mirror and ...

Reflecting telescopes with glass, rather than metal, mirrors became popular in the 20th century. Glass mirrors produce much clearer images than metal mirrors and won't tarnish as easily.

Astronomer and Solar System Ambassador Walter Albrecht will present a talk on exploring Mars at the New Lebanon Library on Friday, July 25, at 6:30 p.m. Albrecht will ...

My first telescope was a 2.5-inch Gilbert reflector my parents bought for me in about 1964. It wasn't easy to use, but I remember looking at the moon, Mars and Saturn with it.