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英国天文学家约翰·默里博士可能发现了太阳系第十大行星．这颗奇异的行星极为遥远，与目前已知太阳系最远的行星冥王星相比，它的公转轨道大约比冥王星远１０００倍．这颗行星与太阳的距离是地球到达太阳距离的３万倍．默里博士的这个发现源自彗星理论，每一颗彗星都是受外力
British astronomer Dr. John Murray may have discovered the solar system’s tenth largest planet. This strange planet is extremely far away. Compared with Pluto, the planet farthest from the known solar system, its orbit is about 1,000 times more distant than Pluto. The distance between the planet and the sun is 30,000 times that of the earth reaching the sun. Dr. Murray’s discovery comes from comet theory. Every comet is subject to external forces.