In 1577 a Dutch Astronomer was the first to deduce that comets were outside of our atmosphere. Next it was Issac Newton who concluded that gravity was what caused them to accelerate like they do.
Comets can actually be visible in the sky for up to a few hours, depending on how close they actually get to Earth.
actually several comets circle the sun a year!
It was the first one that actually worked.
it was impure
I think it was Aristotle who first used the Greek word from which "comet" is derived.
Yes. I've actually read an article about it today !
Unless the comet actually hits the Earth, there would be no effect whatsoever.
Houston Comets
Edmund Halley.
The first period of strong colonial unity was during the French and Indian War - this marked the first time the colonies actually worked together for something.
Yes actually it can, this is kinda funny because i just tried that for the first time yesterday and it worked.
Early Man first noticed comets. Comets were around long before humans.