a telescope having an objective with a long focal length and an eyepiece with a short focal length, usually used for observing celestial bodies
Also called: Kepler telescope
Word origin
[1880–85]This word is first recorded in the period 1880–85. Other words that entered Englishat around the same time include: Chief of Staff, barnstorm, highball, interface, quotation mark
Examples of 'astronomical telescope' in a sentence
astronomical telescope
It would also have implications for astronomers, requiring expensive changes to the operating software of astronomical telescopes.