科学与环境
ESA’s Juice just used Earth as a slingshot to Jupiter
来源: All Top News -- ScienceDaily · 发布于
ESA’s Juice spacecraft raced past Earth on September 28, using our planet’s gravity to dramatically reshape its path toward Jupiter without burning much fuel. The flyby changed its direction by 20 degrees and increased its speed by 3.5 km/s, while also giving scientists a rare ch
ESA’s Juice spacecraft raced past Earth on September 28, using our planet’s gravity to dramatically reshape its path toward Jupiter without burning much fuel. The flyby changed its direction by 20 degrees and increased its speed by 3.5 km/s, while also giving scientists a rare chance to test its instruments on Earth and the Moon.
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