1. Hubble Telescope
... in a dramatic series of collisions that were captured in vivid detail. In the spring of 1996 comet Hyakutake passed within 9.3 million miles of Earth displaying a blue nucleus and a long bright tail. Scientists have learned that centers of comets, which are called nuclei, is where gases and dust from the very earliest days of the Solar System have stayed frozen. As comets ... ...
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