bow shock

noun
\ ˈbau̇- \

Definition of bow shock

: the shock wave formed by the collision of a stellar wind with another medium (such as the magnetosphere of a planet)

Examples of bow shock in a Sentence

Recent Examples on the Web

Juno entered the magnetosphere on June 24, 2016, and encountered what is known as a bow shock—a kind of stationary shock wave where the magnetic field begins to drive away solar wind particles. Jay Bennett, Popular Mechanics, "The Juno Spacecraft Reveals New Mysteries at Jupiter," 25 May 2017 Listen to the sounds of Juno entering Jupiter's space: In the video, Juno crosses two thresholds: the bow shock and the magnetopause. Avery Thompson, Popular Mechanics, "Listen to the Sound and Fury of Jupiter as Recorded by Juno," 1 July 2016 On June 24, Juno crossed Jupiter's bow shock, and the next day, Juno crossed the magnetopause. Avery Thompson, Popular Mechanics, "Listen to the Sound and Fury of Jupiter as Recorded by Juno," 1 July 2016 The bow shock is formed by the collision of stellar wind with the planet's magnetosphere. Samantha Mathewson, NBC News, "Looking for a Halloween Playlist? NASA Shares Universe's Spooky Sounds," 31 Oct. 2017 The loud sounds recorded by the satellite represent the spacecraft's crossing of the bow shock just outside the magnetosphere on June 24, 2016. Samantha Mathewson, NBC News, "Looking for a Halloween Playlist? NASA Shares Universe's Spooky Sounds," 31 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'bow shock.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of bow shock

1950, in the meaning defined above

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The first known use of bow shock was in 1950

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