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 ...

Best telescopes for families with kids or teens interested in astronomy, including a budget-friendly pick and one toy model, ...

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 ...

The Celestron Omni XLT 120 is made for the seasoned skywatcher, who is looking for that sought-after combination of high-quality build and superb views of the solar system and lunar surface. While a ...

On January 11, 1672, the Fellows of the British Royal Society were treated to a demonstration of Isaac Newton’s reflecting telescope, which formed images with mirrors rather than with the lenses that ...

Looking Up is transcribed using a combination of AI speech recognition and human editors. It may contain errors. Please check the corresponding audio before quoting in print. Dean Regas: Edwin Hubble ...

LHASA -- Chinese scientists are working to set up the world's largest refracting telescope in Tibet autonomous region for observing stars and planets. Construction for the optical telescope, with a ...

Aimed at beginners and those looking to upgrade, this 4-inch refractor is at its best with the moon and planets and comes with a lens cap that doubles as a novel smartphone holder for convenient ...

IT has been supposed that the difference between the zenith distance of a star obtained by direct observation and that obtained by observing it reflected in a pool of mercury—as it is not fully ...

Chinese scientists are working to set up the world's largest refracting telescope in Tibet Autonomous Region for observing stars and planets. Construction for the optical telescope, with a 1-meter ...