Astronautics. A space flight which uses the gravitational pull of a celestial body in order to accelerate sharply and, usually, to change course…
| 单词 | θ207481 |
| 释义 | society > travel > air or space travel > space flight > [noun] > a space shot or flight > using gravitational pull (1) slingshot1970 Astronautics. A space flight which uses the gravitational pull of a celestial body in order to accelerate sharply and, usually, to change course… |
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