SPACE: BLACK HOLE, 1994. /nA schematic diagram of the velocity measurements of a rotating disk of gas in the core of galaxy M87. The high velocities indicate the presence of a black hole, since the galaxy contains only a fraction of the number of stars that would create such a powerful attraction. Observations made with NASA's Hubble Space Telescope, 1994.
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TOP16148013
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達志影像
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RM
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