“信使号”（MESSENGER）就是“水星表面，空间环境，地质化学以及广泛搜所任务”的缩写，它将飞入宇宙中最小且离太阳最近的行星，199千米的水星。
Messenger, which stands for Mercury Surface, Space Environment, Geochemistry and Ranging, swooped within 199 kilometers Mercury, the smallest planet in the Universe that is also closest to the Sun.
“信使号”（MESSENGER）就是“水星表面，空间环境，地质化学以及广泛搜所任务”的缩写，它将飞入宇宙中最小且离太阳最近的行星，199千米的水星。
Messenger, which stands for Mercury Surface, Space Environment, Geochemistry and Ranging, swooped within 199 kilometers Mercury, the smallest planet in the Universe that is also closest to the Sun.
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