A new telescope project called the Next-Generation Very Large Array will revolutionize radio astronomy if it gets the funding ...

Chile is constructing the Extremely Large Telescope (ELT), the world's largest optical and near-infrared telescope, atop ...

The best telescopes for kids that we recommend are not toys but usable instruments, based on how easy they are to use for ...

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 ...

this portable telescope features a 400mm optical tube length and a 70mm objective lens diameter which helps deliver crisp, clear images of celestial objects like the planets on alignment day. Through ...

Further, he instructs that large thick glass vessels should be placed over the tubes so ... had rudimentary telescopes, why did this knowledge disappear? One possibility is that an elite group, such ...

This telescope incorporates a manual focus adjustment with a micrometer scale, which is built into the design of the optical tube. This allows for simplified focusing by noting the "sweet spot ...

Credit: Neuraspace WASHINGTON — Portuguese space traffic management startup Neuraspace has installed a second optical telescope to help track low Earth orbit (LEO) objects across both hemispheres.

Originally, the telescope was an optical instrument much like a spyglass ... Galileo Galilei designed and built his famous instrument: a tube of stacked magnifying lenses we'd recognize as ...

As a result, we focused on telescopes that were relatively lightweight, compact, and durable. Optical quality was key, as even travel telescopes should provide a good viewing experience.

Lippershey then experimented with lenses in a tube and settled on a design which ... people could see with their eyes and calculate. Optical telescopes improved that ability by taking visible ...