Building a better refractor The spyglass-turned-telescope had limitations, some of which Galileo was able to design around ... This was the first working reflecting telescope.

We explain their design and why they have such widespread ... grips with locating things in the night sky. The Newtonian reflecting telescope has been in use for centuries since its invention ...

The teams behind two potential new space telescopes have embarked on their final design studies as they ... the light entering the telescope and reflecting off its 1.8-meter (5.9 feet) aluminum ...

The Keplerian design does have the downside of producing ... Isaac Newton was the first to really make it work. Newton's reflecting telescope consisted of a single curved main mirror, coupled ...

For the first eight years of its life, the 24-inch was the sole telescope at SBO, and was kept busy seven ... the long-and-narrow refractor and its replacement short-and-fat reflector. In order to ...

Gaze into the great beyond from your own backyard with the best telescopes for stargazing, where distant galaxies become backyard companions, and the moon feels like a mere stone's throw away.

On the surface, the Odyssey Pro looks like most telescopes. It uses a traditional Newtonian reflector design to gather light with a mirror diameter of 85mm and a focal length of 320mm, resulting ...

Dobsonians are based on the reflector telescope design that sees a large primary mirror collect light then reflect it back into a secondary mirror (here's an explainer of the different telescope ...