: relating to or existing in space outside the solar system
deep-sky objects
Examples of deep-sky in a Sentence
Recent Examples on the Web
That's when amateur astronomers can get out their telescopes or binoculars to study planets, stars and other deep-sky objects.
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Janet Loehrke, USA Today, 21 Aug. 2025
The images picture everything from comets and shimmering deep-sky observations to nocturnal wildlife.
—Leslie Katz, Forbes.com, 18 Aug. 2025
Pressing that button wakes the telescope up, prompting one side of its pill-like body to rotate upwards to reveal a technological eye designed to capture the planets, stars and deep-sky objects that populate the universe.
—Anthony Wood, Space.com, 18 July 2025
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Janet Loehrke, USA Today, 21 Aug. 2025
The images picture everything from comets and shimmering deep-sky observations to nocturnal wildlife.
—Leslie Katz, Forbes.com, 18 Aug. 2025
Pressing that button wakes the telescope up, prompting one side of its pill-like body to rotate upwards to reveal a technological eye designed to capture the planets, stars and deep-sky objects that populate the universe.
—Anthony Wood, Space.com, 18 July 2025
Cite this Entry
“Deep-sky.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deep-sky. Accessed 12 Sep. 2025.
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