a change of course made by a spacecraft by using a planet's gravitational field (see also quot. 1967).
| 单词 | θ207502 |
| 释义 | 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 (1) swing-by1967 a change of course made by a spacecraft by using a planet's gravitational field (see also quot. 1967). |
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