Near the Nucleus of Hyakutake . ... Credit Copyright: H. Weaver ( ARC ), HST Comet Hyakutake Observing Team, and NASA Explanation: NASA's Hubble Space Telescope captured this image of the near-nuclear region of Comet Hyakutake on March 25 as the comet approached within 9.3 million miles of the Earth. ... The image shows large amounts of dust jetting from the sunward side of the nucleus as the sun heats the surface of this dirty "orbiting iceberg" . ... NASA Official: Jay Norris. ...