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Halley's comet is a short period comet, which passes earth every 75-76 years. It last passed by in 1986, and will next pass by in 2061. It is a short period comet - the only one which is visible with the naked eye. There are other comets as spectacular or more so, but these pass by a lot less frequently.
It has been known of since ancient times, maybe from around 466 BC. It has been considered a bit of an omen through history, it was seen in 1066, shortly before The Battle of Hastings where Harold II of England was defeated and lost his life.
Halley's comet is composed of a mixture of volatile ices such as water, carbon dioxide and ammonia. A large proportion is also made up of dust.
What else can I help you with?
Is halleys comet a star?
No. It's a comet.
Facts about halleys comet?
it is made up of ice and dirt and is therefore also known as a "Dirty Snowball"
What is Halley's comet nicknamed?
whats halleys comet nicknames
What size is halleys Comet?
big
What year will Halleys comet come?
early 2062
What years will halleys comet be seen?
in 2061 or 2062
What did the spacecraft giotto visit in 1986?
halleys comet
What is the orbit of halleys comet?
See related links
Most recent coment near earth?
halleys comet
What is the next year that Halleys comet will be visible from earth?
2061
Why was halleys comet made?
Nobody made Halley's Comet, and there isn't any purpose to its existence. It simply is.
How far away is Halley's comet from the sun?
Halley's Comet is currently a little beyond the orbit of Neptune.
