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超级肥皂一洗就白人们争购，后来所有的人都变成白衣人，这时卖肥皂的人又改颜料了。。Black holes stand at the limit of what we can know. To explore that edge of knowledge, the Event Horizon Telescope links observatories across the world to simulate an earth-sized instrument. With this tool the team pursues the first-ever picture of a black hole, resulting in an image seen by billions of people in April 2019. Meanwhile, Hawking and his team attack the black hole...。