单词 | swing-by |
释义 | > as lemmasswing-by swing-by n. Brit. /ˈswɪŋbʌɪ/ , U.S. /ˈswɪŋˌbaɪ/ a change of course made by a spacecraft by using a planet's gravitational field (see also quot. 1967).ΘΚΠ society > travel > air or space travel > space flight > [noun] > a space shot or flight > course or trajectory of spacecraft > course change by use of gravitational field swing-by1967 1967 Britannica Bk. of Year 1966 804/3 Swing-by, an interplanetary mission in which a space vehicle utilizes the gravitational field of a planet near which it passes for changing course (a swing-by through the gravitational field of Venus on the way to Mars). 1970 Nature 1 Aug. 434/2 The next opportunity to make a similar swing-by flight to Mercury will not occur until 1982. < as lemmas |
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