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Comets

Parent Category: Planetary Science
Comets are small solar system bodies that orbit around the Sun. They have a tail (trail of light) when traveling in space.
One tail is gas, and the other ice. The darker, colored tail is gas, and the white easy-to-see tail is ice.
Halley's comet appeared in 1910 and 1985 (about every 75 years).
COMET HALE-BOPP, COMET SWIFT-TUTTLE, COMET HYAKUTAKE, COMET HALLEY, and COMET SHOEMAKER-LEVY 9
A comet is an icy body that releases gas or dust. They are oftencompared to dirty snowballs, though recent research has led somescientists to call them snowy dirtballs. Comets contain dust, ice,carbon dioxide, ammonia, methane and more. Astronomers think cometsare leftovers from the gas, dust, ice...
I doubt that the earth will be destroied by a comet in 2010. The earth was suppose to end and get destroied back in 2001 but that never happened. What makes this time so different? I wouldn't worry about it.
The closer it gets to the sun, the stronger the sun's gravitational pull on the comet.
A meteor is seen as it gets hot passing through the Earth'satmosphere. An asteroid is a small body of frozen gasses rock anddebris left over the from the creation of the Solar System. Thereare 100s of thousands of asteroids. If an asteroid enters theEarth's atmosphere, it is called a meteor. Most of...
You might find a picture of people fighting against police or thearmy; that often happens during revolutions.
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...
Comet's orbits are usually highly elliptical, with a much highereccentricity than the orbit of most planets. Additionally comet'sorbits aren't in the plane of the ecliptic -- they don't remain inthe Zodiac and can be found anywhere in the sky.
Almost 200 years for one orbit around the sun.
It is not just comets- all orbiting bodies speed up as they get closer to the object they are orbiting, as stated by Kepler's Second Law, because the gravity between the two objects gets stronger as they get closer together, as stated by Newton's Law of Universal Gravitation.
there's comet halley, comet hale-bop, comet borrelly, and Comet wild 2... that's all i can think now.
A comet is part of the solar system because they have there own orbits to the sun just like planets.
Halleys comet is approxamatly 4.5 light hours from the earth
From: http://www.windows.ucar.edu/tour/link=/comets/tail.html&edu=high : One tail is due to the comet's dust particles, the other is due to ionized gas from the comet coma. Dust particles form the first tail. The only force which affects these small particles in space is corpuscular radiation...
No. While mercury has undoubtedly been hit by asteroids and comets, it does not "have" any.
The American humorist, author and Mississippi riverboat pilot Samuel Langhorn Clemens, who wrote under the pen name "Mark Twain", was born two weeks after Halley's Comet made its closest approach to the Earth in 1835. Clements wrote, near the end of his life, "I came in with Halley's Comet in...
In 1705 Halley determined the comet's periodicity, but he was not the first person to discover it.
Yes you can see comets sometimes with your eyes only,IF its close enough to Earth. :3
Comets and meteors are made of rocks and boulders same as on earth. But since they are in space for a long time, they might have some differences, little differences.
Hyakutake is a long-period comet. Before its most recent passage through the solar system, its orbital period was about 17,000 years, but the gravitational influence of the giant planets has increased this period to 102,070 years.
76.1 years it was last seen in 1986 it will next be seen in 2061
the event would be catastrophic.it would explode with the force pof 10000 nuclear weapons an would wipe out human sevilation
The outer Oort cloud. (The inner Oort cloud is believed to bedisk-shaped.)
Every comet is different. We divide comets into two broad categories; "short period" comets, with periods less than about 200 years, and long-period comets, with longer intervals between passes. Since our recorded astronomical history only goes back about 400 years, there are probably a great number...
Sometime in August of 2010
It should pass by Earth again in 2061.
nucleus, coma, and dust tail
90 million km to 5000 million km away from the sun
A comet's tail points away from the sun
Comet's change direction because when a comet gets close to the sun it is pushed away by the solar winds.
Halley's Comet is undoubtedly the most famous, having been named after Edmund Halley who first studied comets and showed them to be an orbiting part of our solar system.
First flight: 29 July 1949.. Entered service: 2 May 1952.. Go here: http://en.wikipedia.org/wiki/De_Havilland_Comet
· One-tailed test looks at the probability that the sample mean was either "greater than", or "less than or equal to" · Two-tailed test, sees if two means are different from each other (ie from different populations), or from the same population and tries to establish "equal to" or "not...
Halley's Comet or Comet Halley is visible from Earth every 75 to 76 years. It last appeared in the inner Solar System in 1986 and will next appear in mid-2061.
well, there are over 5 comets that have crossed the lines to the earth's orbit to the sun. So the Haley's comet must have crossed the solar system a thousand times.
Yuji Hyakutake , from southern Japan, discovered the comet Hyakutake
They were found by Kolby Ellis,Ashlee Schnedar,and Lainee Hammond in 2010
War, famine, death, any disaster - with the comet being the herald.
For the people who think they are smarter than a fifth grader here is the answer the answer is 76 years
rocks and comets are attracted by moons gravity, so they crash
Good question, and the answer is "We're not sure yet." It is certain that comets cannot last forever; after some number of close approaches to the Sun, all of the ice will be melted and all of the volatiles boiled away, and the comet will disintegrate. So where do new comets come from? We suspect...
A comet is a type of object that orbits the Sun. "Halley's comet" is just one specific comet. A comet is a type of object that orbits the Sun. "Halley's comet" is just one specific comet. A comet is a type of object that orbits the Sun. "Halley's comet" is just one specific comet. A comet is a...
Many millions of miles
Comets are thought to have originated from further out in our solar system, beyond the orbits of Neptune, while asteroids are thought to have been left over from the formation of the inner rocky planets. Comets have tails when they get close enough to the sun as the ice on them turns to vapour....
Comet cleaner is owned by Prestige Brands. It was originally ownedby Procter and Gamble, but was sold to Prestige Brands in 2001.Proctor and Gamble still owns the rights in Europe, and theindustrial Comet cleaners.
yes there is water on comets. haha loosers. good job idiot, you spelled losers wrong.
Oort cloud is farther by a long shot. Kuiper is between Neptune's and Pluto's orbit( or was it Neptune and Uranus?).
NO!!!!!!!!!!!!!!!!! A "fire comet" would burn up when it gets anywhere near the sun! even if it did exist!!!!
A comet's ion tail consists of various glowing charged gases. Ion tails are narrow and bluish.
I think it called Halley's comet, someone called Halley discovered it trails.
yes, when entering our atmosphere there is friction on the meteor causing it to burn up therefore it looks like it has a tail.
The closer to the sun, the larger the tail. The further a comet gets from the sun, the shorter the tail is.
No, it's not a planet. It is a star. The Sun is a medium-sizedyellow star.
Comets come to the inner Solar System - i.e., close to Earth - allthe time.
The name comet came from the Greek word komē meaning "hair of the head". Aristotle used this word to mean a luminous tail of a comet. Aristotle also used the derivation komētēs meaning "wearing long hair" to use as a noun meaning comet and to describe comets as "stars with hair". This Greek...
Several comets are observed every year. Not all of them are spectacular, or can even be seen with the naked eye. Several comets are observed every year. Not all of them are spectacular, or can even be seen with the naked eye. Several comets are observed every year. Not all of them are spectacular,...
Comets are just very icy asteroids, they become comets when a large enough of a body of mass, i.e. jupiter or saturn. When this happens, the asteroid gets thrown into an extremely high elliptical orbit. They ideally have an orbit perpindicular to the ecliptic.
Smaller. Each time it passes the Sun, the comet boils off some of its icy gasses, and the dust is carried away from the comet by the solar wind. Light hitting the gas and dust cause the luminous "tail" of the comet. In the long run, every comet will disintegrate as the Sun evaporates the ice...
Goldfish of both sexes can be happily put together usually without any problems. During the breeding season male fish may chase the female but in general they are very peaceful.
Yes that is correct The tail will always point into the direction of the body that has the strongest gravitic influence on it.
it is a star made out of ice dust and gas.
Based on my little experience in telescopes I think its a 5%-7%.
Edmund Halley did not "discover" the comet that bears his name. Hally was the first to realize that this comet was probably the same comet that had been observed ad documented several times throughout history, and predicted based on his observations that the comet would become visible again. ...
Everything in space orbits arounds the sun so yes. FAIL. Only Copernicus thinks that. Comets do orbit around the sun, but not everything does.
It depends on the comet. You can see comets when they are making their swing around the sun, if they are large enough and if their orbital path brings them close enough to earth. Many small comets are not visible, and we cannot see any of them when they are far enough from the sun. Halley's is...
Superstitious beliefs about comets varies between differentcultures. The most common superstitions are; tragedy, success inwar, increase in fertility, impending judgment and a futurecatastrophic event.
All rocks, trash, and other things that are flying in a no gravitational area are prone to flying straight. If the object is flying near/close to Earth's atmosphere, the atmosphere will inhale the item and suck it into the Earth, due to our planets gravity. Have you ever seen a shooting star? Those...
They get pulled out by stars that are outside the the cloud. But the sun may pull a comet but that is rare
It is not fact, but Pluto cannot possibly be a planet; it is too small. Even if it does have Charon (moon), It is not big enough to be a planet (my opinion). Also, its orbit is elliptical, and comes closer to the Sun, intercepting and passing through Neptune's orbit. As many people know, all of the...
Comets come in all shapes and sizes. There is no one size.
because it is burning
Far out in space, the comets tail is short. As it approaches the Sun, the heat melts away some of the ice covering the surface. As it evaporates into space, a tail is formed behind the comet. Always, the tail is facing away from the sun. This is why, when we see comets, their tails are almost as...
Asteroids , which are sometimes referred to as minor planets, are rocky, metallic bodies that revolve around the Sun, usually in a region known as the Asteroid Belt . Comets are sometimes called "dirty snowballs" because they are mixtures of ices and dust. Meteoroids are small chunks of...
when you saw a comets it might be the ''END OF THE WORLD''.
Anything "can" turn into a black hole, as long as it is massiveenough and dense enough. For example, Earth can turn into a blackhole if all its mass is squeezed into a point about a centimeter inradius. The only reason that we don't see this happening is becauseyou can't just make Earth denser than...
Halley's nucleus is relatively small; barely 15 kilometres long, 8 kilometres wide and perhaps 8 kilometres thick. Its shape vaguely resembles that of an unshelled peanut. Its mass is relatively low; roughly 2.2 × 1014 kg, and its average density is about 0.6 g/cm 3 , indicating that it is made...
It is impossible to write on Hally's Comet. It is moving much to quickly and it is very far away. It is better to write a short note on paper.
If the atmosphere does not burn it up then it will hit with the force left over. Most of the time it will leave a crater in the surface of the ground or it will displace a large amount of water if it lands in a body of water. Depending on the size of the comet and the life around it will determine...