night·​side ˈnīt-ˌsīd How to pronounce nightside (audio)
: the side of a celestial body (such as the earth, the moon, or a planet) not in daylight

Examples of nightside in a Sentence

Recent Examples on the Web And while the nightside is a balmier 1,100 degrees Fahrenheit, that’s still only about 120 degrees short of the melting point for aluminum. Andrew Paul, Popular Science, 1 May 2024 Juno’s orbits will move closer to Jupiter in the coming months as the spacecraft passes over the giant planet’s nightside, NASA said. Bradford Betz, Fox News, 18 June 2023 Because the solar storm heading to Earth is expected to interact directly with the Earth’s magnetic field, amateur radio and GPS users should expect some signal disruptions on Earth’s nightside, Dr. Skov notes. Joshua Hawkins, BGR, 18 July 2022 The telltale green glow was found in all of the data gathered during this time — and an impressive feat for the orbiter, considering that Mars' atmosphere during the daytime glows much brighter than the nightside and makes the green glow harder to detect, the researchers said. Ashley Strickland, CNN, 16 June 2020 Results in March 2021 from Juno’s Ultraviolet Spectrograph instrument showed for the first time from orbit how those auroral dawn storms are actually born on the nightside of the gas giant, which telescopes on Earth had previously been unable to detect. Jamie Carter, Forbes, 20 Apr. 2021 Above: On its second Earth flyby, Rosetta captured this poetic view of our planet's nightside, ringed by sunshine and dotted by city lights. Corey S Powell, Discover Magazine, 1 Oct. 2016 The theory helps address a curious trend — the nightside of every hot Jupiter discovered so far was found to be at 1,000 degrees Kelvin. Chelsea Gohd, Discover Magazine, 8 Jan. 2019 On the nightside, plasma from the sun instead deposits electrons, leaving the surface with a net negative charge. Alison Klesman, Discover Magazine, 22 Nov. 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'nightside.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1848, in the meaning defined above

Time Traveler
The first known use of nightside was in 1848

Dictionary Entries Near nightside

Cite this Entry

“Nightside.” Dictionary, Merriam-Webster, Accessed 25 May. 2024.

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