Our guide to the best smart telescopes that will help you observe and capture images of the cosmos with just a tap of your smartphone or tablet.

Place those lenses in a tube and voilà, you have a spyglass ... Despite myriad embellishments, however, most optical telescopes in use in the 21st century derive from the two types developed ...

Celestron Optical Tube - 25mm Eyepiece - Star Diagonal ... SkyAlign technology gets your telescope aligned and ready to observe in minutes. Even if youre unfamiliar with the night sky, you ...

New optical technologies have revolutionized astronomy, from the invention of the telescope 400 years ago to more recent developments of adaptive optics and segmented mirrors. The next disruptive ...

The telescope arrived safely directly from the manufacturer nestled in a foam-lined case inside a thick cardboard box. As soon as I unzipped the case and pulled out the optical tube assembly ...

[Bill Hammack] elaborates on one such piece of engineering: The Alignment Optical Telescope. The telescope was used to find the position of the Lunar Module in space so that its guidance computer ...

117, No. 827 (January 2005), pp. 111-118 (8 pages) ABSTRACT In 2001, about 2100 papers appearing in 18 journals reported and/or analyzed data collected with ground‐based optical and infrared ...

Today, solar panels power the James Webb Space Telescope, which offered the world the most detailed look into the most remote reaches of the universe to date. NASA launched the Webb Space ...

They use glass lenses instead of mirrors, and you look through the telescope from the top. Refractor telescopes have long optical tubes as light travels in a straight line to the eyepiece. Compared to ...