Assertion: telescope's image | /r/HasProperty | observed
Facets:
Source sentences:
text: In order for the image to be observed, photographed, studied, and sent to a computer, telescopes work by employing one or more curved optical elements, usually made from glass lenses and/or mirrors, to gather light and other electromagnetic radiation to bring that light or radiation to a focal point.
text: Telescopes work by employing one or more curved optical elements - lenses or mirrors - to gather light or other radiation and bring that light or radiation to a focus, where the image can be observed, photographed or studied.
text: and so that the second focus of the hyperbolic mirror will be at the same point at which the image is to be observed, usually just outside the eyepiece.
text: The hyperbolic mirror then reflects those light rays to its other focus, where the image is observed.
text: In order for the image to be observed, photographed, studied, and sent to a computer, telescopes work by employing one or more curved optical elements, usually made from glass lenses and/or mirrors, to gather light and other electromagnetic radiation to bring that light or radiation to a focal point.