75 years
Halley's Comet has an orbital period around the sun of about 76 years. Its rotation period on its axis is not well known, but it is estimated to be roughly 2-3 days.
haleys
No. Haley's Comet is an inanimate object.
Never.
The orbital period of Halley's Comet is about 75.3 years.
The most famous one is Halley's Comet, although there may be others.
haleys commet :)
True
Halley's Comet was last seen in 1986 and won't be visible again until 2061.
Edmond Haley was an astronomer, who predicted the return of what is now "Haleys Comet"
Probably because they were uninformed. Science has come a long way since then and we know Haleys Comet will probably never collide with Earth and end all life.
it is Halley's comet and it was thought to be a bad omen in 1066