the Great Comet of 1997,
became much brighter than any surrounding stars.
It was seen even over bright city lights.
Away from city lights, however, it put on quite a
Here Comet Hale-Bopp was photographed above
Val Parola Pass in the
blue ion tail, consisting of
ions from the
is pushed out by the solar wind.
dust tail is composed of larger particles of
dust from the nucleus driven by
the pressure of sunlight, that orbit behind the
Observations showed that Comet Hale-Bopp's nucleus spins about once every 12 hours.
A comet that may well exceed Hale-Bopp's
peak brightness is expected to fall into the inner Solar System next year.
Credit & Copyright:
A. Dimai, (Col Druscie Obs.),