Did Comet ISON survive? Scientists see tiny hope   New images
being analyzed Friday showed a streak of light moving away from
the sun that some said could indicate it wasn't game over just
yet. "It certainly appears as if there is an object there that
is emitting material," said Alan Fitzsimmons, an astronomer at
Queens University in Belfast, Northern Ireland.  Basically a
dirty snowball from the fringes of the solar system, scientists
had pronounced Comet ISON (EYE'-sahn) dead when it came within 1
million miles (1.6 million kilometers) of the sun Thursday.
The European Space Agency, which had declared ISON's death on
Twitter late Thursday, was backtracking early Friday, saying the
comet "continues to surprise." Comet ISON was first spotted by a
Russian telescope in September last year, and became something
of celestial flash in the pan this week for its vivid tail —
visible by the naked eye — and compelling backstory of impending
doom.  The comet was two-thirds of a mile wide as it got within
1 million mi