Telescopes are specialist optical instruments that have been around for over 400 years and are useful for many applications including seafaring, military operations and especially stargazing. But not ...

Save this article to read it later. Find this story in your account’s ‘Saved for Later’ section. Here at the Strategist, we like to think of ourselves as crazy (in the good way) about the stuff we buy ...

The arid climate of Chile’s Atacama Desert is already one of the best places in the world to stargaze. But when the Giant Magellan Telescope opens there in the Las Campanas Observatory in 2025, it ...

Michael J. I. Brown receives research funding from the Australian Research Council and Monash University. While the unaided eye or binoculars can reveal much of the night sky, a telescope reveals so ...

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 ...

THOUGH the first edition of this work was published more than fifty years ago, in 1891, it still has value as a standard work on the adjustment and testing of telescope objectives. The firm of Sir ...

The winter months are fast approaching the Northern Hemisphere -- meaning longer, darker nights longed for by amateur astronomers. To the beginner, setting out on their first tentative steps to ...

The original instrument to occupy the 25-foot diameter dome was the 10.5-inch Bausch refracting telescope (f/15.5) installed in the brand new observatory in 1953. Bausch & Lomb Company gave the ...