美国宇航局新型太空望远镜上的变形镜可以揭示像我们自己的木星一样的木星
Shape-shifting mirrors on NASA’s new space telescope could unveil Jupiters like our own
当美国宇航局的南希·格雷斯·罗马太空望远镜最早于下月底发射时，它将尝试迄今为止天文学上最精确的消失行为之一。该望远镜将携带第一台太空“主动”日冕仪，这是一种可以有效消除恒星中大部分光线的仪器
When NASA’s Nancy Grace Roman Space Telescope launches, as early as the end of next month, it will attempt one of astronomy’s most precise disappearing acts to date. The telescope will carry the first space-bound “active” coronagraph, an instrument that effectively erases most of the light from a st
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