THE Yerkes Observatory, which has recently been completed and inaugurated, contains in its instrumental equipment the largest refractor in the world, the diameter of the object-glass spanning 40 ...

Well, any of us who has ever looked through a telescope could say the same, for the two principal types in use today were developed by giants: the refractor by Galileo and the reflector by Newton.

A refractor telescope on a fold-up tripod that ships ... to take panoramic photos of the night sky to best capture iconic large objects in the deep sky, such as the Andromeda Galaxy.

Refractor telescopes use specialised lenses to gather and focus light into an image, displaying a magnified sky view. In contrast, reflector telescopes use curved mirrors to reflect light onto the ...

McKim Observatory still houses many of its original instruments, including a 9.53 inch Clark Refractor telescope, a meridian transit telescope, and a gravity driven chronograph. Missing from the early ...

Explore the night sky with the best telescopes to suit every budget and experience level, perfect for observing February's snow moon and spectacular planetary parade. February is a great time to ...

Whenever news of a rare celestial event makes the headlines - be it a passing comet, meteor shower or a parade of planets - it makes one wish for two things: a telescope and a pitch-black garden ...