单词	bow shock
释义	bow shock noun ˈbau̇-  : the shock wave formed by the collision of a stellar wind with another medium (such as the magnetosphere of a planet) Example Sentences Recent Examples on the Web The next structure that's expected to exist is the bow shock, but that's likely to be over 100 AU farther out. John Timmer, Ars Technica, 4 Nov. 2019 However, the spacecraft only encountered the bow shock on one orbit out of many, which has led researchers to conclude that the magnetosphere was expanding during that time. Jay Bennett, Popular Mechanics, 25 May 2017 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, 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, 1 July 2016 On June 24, Juno crossed Jupiter's bow shock, and the next day, Juno crossed the magnetopause. Avery Thompson, Popular Mechanics, 1 July 2016 The bow shock is formed by the collision of stellar wind with the planet's magnetosphere. Samantha Mathewson, NBC News, 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, 31 Oct. 2017 See More Word History First Known Use 1950, in the meaning defined above
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