The two telescopes operate synchronously: Izaña-2 fires laser pulses at a piece of space debris high overhead, and Izaña-1 ...

A small missed detail can lead to major issues with your telescope. In this video, I show you the key focuser screws you need ...

Here is everything I saw with a smart telescope in a light-polluted city including galaxies, nebulas and star clusters.

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AP photographer Dmitri Lovetsky had been trying to photograph a plane flying across the disk of the sun for several days.