I'm not sure but I know it was discovered by Alan Hale And Thomas Bopp in1995.
Hale-Bopp was discovered on July 23, 1995
Alan Hale and Thomas Bopp.
Comet Hale-Bopp was discovered on July, 23, 1995, independently by Alan Hale and Thomas Bopp, both from the United States.
The hale-bopp comet is so named for the two astronomers who spotted and confirmed it first. Hale and Bopp.
The hale-bopp comet is so named for the two astronomers who spotted and confirmed it first. Hale and Bopp.
I'm not sure but I know it was discovered by Alan Hale And Thomas Bopp in1995.
The comet was named after the two astronomers who discovered it - Alan Hale and Thomas Bopp.
Alan Hale and Thomas Bopp.
Two guys named Hale and Bopp. Seriously. The comet was discovered independently by amateur astronomer and comet hunter Alan Hale and Thomas Bopp, who didn't own a telescope but was using the one owned by a friend.
Comet Hale-Bopp, which passed close to Earth in 1997, was discovered independently by astronomers Alan Hale and Thomas Bopp in July 1995. The comet was unusually bright and became one of the most widely observed comets of the 20th century.
It was discovered by Alan Hale and Thomas Bopp in 1995.
Hale-Bopp was first discovered in 1995. It became visible to the naked eye in May 1996 and remained visible until December 1997.