In the topic "Hale Bopp comet":

When was the comet discovered?
How often does it approach the earth?
In what countries was the comet visible on its last return?
Answers: =============================== When was the comet discovered? July 22 , 1995 1995 July 22, 1995 July 22, 1995 july 22 , 1995 July 1995 the 1995 July 23, 1995 -------------------------------------------------------------- How often does it approach the earth? every 3,000 3,000 years once every 3,000 years every 3,000 years every 2,500 years every 3 , 000 years once every 3,000 years every 3,000 years -------------------------------------------------------------- In what countries was the comet visible on its last return? Australia China India Panama South Africa US --------------------------------------------------------------