Start exploring the night sky with our top picks for beginner-friendly telescopes. Tested for clarity, ease of use and build ...

The Vera C. Rubin Observatory's primary mirror is 8.4 meters in diameter, which makes it one of the largest optical ...

The mirrors inside a reflector telescope will shift slightly over time, so you'll need to realign them manually through a process known as collimation. Reflectors aren't affected by colour fringing ...

The telescope weighs 3.6 pounds (1.6 kilograms), runs for up to six hours on a rechargeable battery, and is controlled via a smartphone app (iOS/Android) using Wi-Fi, Bluetooth, or NFC.

Reflector telescopes use mirrors as their primary surfaces, reflecting the light from the starry sky onto its lens. ... Despite its larger size, the NexStar 8 SE is still portable, ...

While the Odyssey has an 85mm mirror and 3.4 megapixels, ... Despite its limited field of view and lower image resolution, this affordable and portable 2-inch/50mm aperture smart telescope is a ...

We’ve tested 17 top-rated telescopes over the years, and we’re certain the Celestron NexStar 5SE provides the best image quality and ease of use for beginners.

Many have sealed tubes to keep out dirt and dust and only require occasional collimation. Collimation keeps the mirrors in the telescope aligned with the light path. The process is described in detail ...

Florida Tech will use the Kenndy Space Center Visitor Complex's portable telescope observatory to track asteroids, President John Nicklow said.

Florida Tech will use the Kenndy Space Center Visitor Complex's portable telescope observatory to track asteroids, President John Nicklow said. ... which sports a 32-inch primary mirror.