... A Dust Jet From Hale-Bopp . ... Approaching the inner Solar System, comet Hale-Bopp's icy nucleus is heated by sunlight, accelerating its production of dust and gas. ... Huck Finn's New Sky View . ... Brittany, age 7, and D.J., age 12, ponder this question over dinner one evening. ... Astronomer Bill Keel took the picture earlier this month (July 7) while standing near the summit of Hawaii's Mauna Kea contemplating the sky in the direction of the center of the Galaxy (right of picture center). ...