Meaning of optical telescope | Babel Free

Definitions

An instrument, used both for recreational and scientific purposes, which provides a magnified view of distant objects by collecting and focusing light by means of mirrors and/or optical lenses.

Equivalents

Examples

“"How did the universe begin⟳?" . . . . [W]ithin a few years the new giant radio telescopes, which enable man to probe far deeper into interstellar space than the biggest optical telescope, will provide⟳ some sort⟳ of an answer⟳.”

“Simply by being the largest optical telescope ever placed above Earth's obscuring atmosphere, the Hubble Space Telescope has yielded spectacular images of cosmic grandeur.”

“An optical telescope based on a liquid mirror with an aperture of 20 to 100 metres located on the Moon would be able to observe⟳ objects 100 to 1,000 times fainter than the proposed next generation of space telescopes.”

CEFR level