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Comet visible from earth every 76 years?

No comets are not visble on earth, every 76 years, only Halley's comet is only visible every 76 years


What scientific substances make up the hyakutake comet?

OCS


Why does the Halley's comet appear when it does?

Because that's how gravity works. Halley's comet has a "year" of about 76 Earth years, so it shows up every 76 Earth years.


Why did they discover Halley's comet?

Because someone looked up in the sky and saw it.


What year did Edmund halley discover halley's comet?

Edmund Halley didn't discover the comet, he predicted when it would return. Up to his time no-one had been able to say when a comet would appear. In 1705, using Newtons laws of gravity, he was able to calculate the effects on a comet of the gravity of planets like Jupiter and Saturn; this allowed him to identify comets recorded in 1682, 1607, and 1531 as the same comet. He then calculated it appeared every 76 years and predicted its return in 1758. Halley himself didn't live to see it, but it turned up right on time, was given his name, and has been Halley's comet ever since.


Where was Edmund Halley when he discover Halley's comet?

Halley didn't discover the comet. He had presumably seen it in 1682 when he was 16, but so had millions of other people. The reason it's called Halley's Comet is that he's the one who went back through historical records and noticed that there was a particularly bright comet about every 75 years, and wondered if perhaps it was the same one. He predicted the next return to be 1758-1759, and it showed up right on schedule, two years after Halley himself died. So, presumably "where he was" when he did the work that resulted in it being called Halley's comet was a library at Oxford, where he was teaching at the time he published his theory.


Why are comets names after hally?

Why is a comet named after Halley? The comet was named after English astronomer Edmond Halley who first worked out how often this particular comet appeared in our skies. Mr Halley read reports of bright comets and said it was the same comet coming back near the Earth every 70 years or so. He predicted its next return. When it showed up on time, people called it Halley's Comet. See link below.<p></p><p> http://space.about.com/od/comets/a/halleyscomet.htm


When is the next hades comet?

It's unclear what you mean by "hades comet." If you are referring to a comet named Hades, there is no specific comet with that name. If you meant Halley's Comet, it will next be visible from Earth in 2061.


Is Haley's comet destroyed many life and where did it hit?

So far (up to the end of 2013), Halley's comet never hit anywhere, and never killed anyone.


When was Halley's comet spotted for the first time?

If you mean spotted by people, then however long ago people looked up and saw it, like 100,000 years ago, if you mean by Halley, then in the 1600's, if you mean by animals then millions of years ago


How did Halley's Comet get its name?

Halley's comet got its name from Sir Edmund Halley who, using Newton's laws of motion, predicted that the comet seen in 1531, 1607, and 1682 would return in 1758. Unfortunately, Halley died before seeing the comet return, but when it returned just as he had predicted, the comet was named in his honour by French astronomer Nicolas Louis de Lacaille in 1759.Halley's Comet was named for Edmond Halley, the English astronomer who identified it as a periodic comet.


What are the names of some comets?

Meteors don't have names; they are transient, burning up in the atmosphere. They are gone in a second or two. If it survives, some meteorites are given names, usually related to the location of the fall.