English Dictionary

terrestrial telescope

noun

A telescope which, unlike most telescopes used for astronomical purposes, contains an arrangement of lenses presenting an erect (non-inverted) image to the observer, suitable for observation of objects on the Earth's surface.

I used a terrestrial telescope to observe the stars.

意味（1）

A telescope which, unlike most telescopes used for astronomical purposes, contains an arrangement of lenses presenting an erect (non-inverted) image to the observer, suitable for observation of objects on the Earth's surface.

Fort Hancock, at Sandy Hook, has been supplied with an immense terrestrial telescope, to be used for vessels at sea.

意味（2）

(astronomy) An astronomical telescope which is physically located on the surface of the Earth, as distinct from a telescope located in outer space.

Though its light-collecting mirror is modest by terrestrial telescope standards . . . its precision focus and perch above Earth's distorting atmosphere make Hubble's observations the benchmark by which all other observatories are measured.