primary mirror
Britishnoun
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
By combining the four VLT 8.2-metre telescopes at ESO's Paranal Observatory, they can resolve details as if astronomers would employ a telescope with a primary mirror of 200 metres in diameter.
From Science Daily ● Jan. 8, 2024
By blocking much of the starlight, we transformed the primary mirror into an array of small collectors, allowing Keck to work much like modern radio telescopes that link many smaller antennas together.
From Scientific American ● Aug. 18, 2023
With its infrared detectors and a booming primary mirror 21 feet wide, it is ideal for investigating the early years of the universe.
From New York Times ● Apr. 29, 2023
We had to wait a few months while its epic 6.5m primary mirror was unpacked and focused, and its other systems tested and calibrated.
From BBC ● Dec. 24, 2022
Telescopes are also limited by diffraction, because of the finite diameter D of their primary mirror.
From Textbooks ● Aug. 12, 2015
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
