The positions of the asteroids are like a fingerprint of an earlier time when the orbits of Neptune and Jupiter were much closer to the sun, and as these giant planets migrated through our solar system, they were scattering the asteroids in their wake.
并且，这些小行星的位置， 就像宇宙早年留下的指纹。 那时，海王星和木星 距离太阳还很近， 而当这些巨型星球在太阳系里迁徙时， 也在他们身后散落下了许多个小行星。