The comet Hale- Bopp, dicovred by alan hale and thomas Bopp, came close to the earth in 1997.This happenend eleven years after Halley's comet came around.
Halley's Comet.
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.
Halley's Comet.
The comet that came closest to Earth in 1997 was Comet Hale-Bopp. It reached its closest approach to Earth in late March of that year, becoming one of the brightest comets visible from Earth in the twentieth century.
The name of the comet seen in 1986 is Halley's Comet. You can see it every 75-76 years, and is the only short period comet that is clearly visible to the naked eye from earth, and thus the only naked-eye comet that might appear twice in a human lifetime.
Hale-Bopp. The Heavens Gate cult committed mass suicide around the time of it's approach as they belevied they would be transported to a UFO following the comet.
Halley's Comet is moving away (in 2010 - when this answer was written), it came close in 1986, it will continue to move away until about 2030 then re-approach and become visible again in mid 2061.
Probably several times. It is assumed that a third of Earth water came from comets and it was a comet that hit the Earth 65 million years ago and caused the dinosaur extinction.
no but he came a close second
No, it was last seen from Earth in 1986, 10 years before that, though it was observed in 2003 by what is known as the Very Large Telescope, which is a set of telescopes with great power, that are in Chile.
The famous writer Mark Twain- Samuel Langhorne Clemens was born in the year of Halley"s appearance and died, also in the year of it"s appearance in l9l0. No major world crisis was ( Keyed) to the Comet, the Titanic disaster came in 4.l4-l5.l2 two years down the pike.
No. Earth would be destroyed if a black hole came anywhere close to it.