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What is the hazy cloud surrounding the center of a comet?
The coma is the cloud of gas and dust that surrounds the nucleus of a comet. This is caused by the Sun heating the icy surface of the comet, which sublimates into gas and throws off dust. Some comets have small explosions, almost like eruptions, when a particularly dense pocket of gas erupts from the nucleus. The dust and gas, being so light, is carried away by the solar wind to form the tail of the comet. It's an interesting fact that the tail of the comet always points AWAY from the Sun, so on its way out into space, the comet is actually moving tail-first.
Why are comets visible?
When a comet passes near the sun the sunlight vaporizes ice on the surface, forming a cloud of gas ad dust that is swept away from the sun by the solar wind. The gas and dust reflect a lot of sunlight, making the comet visible for millions of miles.
A large cloud of dust and gas which escapes from the nucleus of an active comet?
Comets have two distinct tails that form as they approach and enter earth's atmosphere. The tail that looks gray is the water that is melting from the heat mixing with the dust and debris of the comet, which is essentially a rock. The second tail, usually a bright blue color is the ion tail. It is made up of negatively charged particles.
Why did the English think comets were bad luck and the French thought it was good luck?
At early times many people believed that comets were fireballs sent from demon's or gods to destroy earth.There was also a legend that every time a comet was seen a king would die.Thats right. The English believed that Comet-seeing would bring them bad luck, and each king would die had they seen A Comet.But um... I kinda lol @ them... Comets are harmless... Only comprised of Dust, Gas and the Head ( Nucleus)That guy up there above me with the lol is VERY stupid. First of all theEnglish thought they were bad luck because everytime someone dies or something a comet passes by. And comet AREN'T harmless, they can be HARMFUL to us human in Earth, because a comet hit Jupiter and made a gas cloud as the size of Earth.
What is interstellar gas cloud?
An interstellar cloud made of gas, dust, and plasma in a galaxy.
What is a large cloud of dust and gas which escapes from the nucleus of an active comet?
The coma.
A large cloud of dust and gas which escapes from the nucleus of an active comet is called what?
The coma is the cloud of gas and dust that surrounds the nucleus of a comet. This is caused by the Sun heating the icy surface of the comet, which sublimates into gas and throws off dust. Some comets have small explosions, almost like eruptions, when a particularly dense pocket of gas erupts from the nucleus.The dust and gas, being so light, is carried away by the solar wind to form the tail of the comet. It's an interesting fact that the tail of the comet always points AWAY from the Sun, so on its way out into space, the comet is actually moving tail-first.
What is the hazy cloud surrounding the center of a comet?
The coma is the cloud of gas and dust that surrounds the nucleus of a comet. This is caused by the Sun heating the icy surface of the comet, which sublimates into gas and throws off dust. Some comets have small explosions, almost like eruptions, when a particularly dense pocket of gas erupts from the nucleus. The dust and gas, being so light, is carried away by the solar wind to form the tail of the comet. It's an interesting fact that the tail of the comet always points AWAY from the Sun, so on its way out into space, the comet is actually moving tail-first.
What is the blob of gas that surrounds a comet's head?
a coma.
What is a comets head called?
A comet is made from dust and ice. It forms a tail because the ice is melted by the Sun and therefore always pointing away from it because of gravity. The comet's orbit is not circular but in the shape of an oval.
What three things make up a comet?
That depends. What are you asking, the parts of a comet or the composition of a comet? For the parts, there is the nucleus, which is the very center of the comet and what it is actually made of, then the coma surrounds the nucleus, then the tail trails behind it. A comet's nucleus is made up of dirty ice and rock. The tail is often made of gas or dust. Sometimes the comet has two tails, one of dust and one of gas. Hope this helps! :)
What parts make up a comet and what are they made of?
The Tail, The Coma and the Nucleus. The Tail is made up of Dust and gas, the Coma is a cloud of gas, and the nucleus is a block of ice and gas.
What happens to a comet at perihelion?
As a comet approaches the sun, it grows warmer and some of the ices heat up and become gas (sublimating), releasing the dust grains that were trapped in the ice. This dusty gas coming from the nucleus is heated by the sun and forms a glowing hot cloud around the comet called the coma. Even though the nucleus might only be a couple of kilometers across, the cloud (or coma) can grow significantly (up to 100,000 kilometers across) during perihelion (its closest point to the sun). Comets also develop dust and gas tails.
The area of ejected gas immediately around the nucleus of a comet is its?
coma
What is The cloudy atmosphere of a comet?
The nebulous halo around the nucleus of the comet is called the "Coma" ...The stream of dust and gas that extends away from the comet is called the"Tail".
What part or parts of a comet come and go during a comet's orbit?
During a comet's orbit, the coma and tails are the parts that come and go. The coma is the glowing, fuzzy cloud around the nucleus that develops as the comet gets closer to the Sun. The tails, consisting of ion and dust tails, form as a result of solar radiation and solar wind pushing the coma's particles away from the nucleus. Both the coma and tails diminish as the comet moves away from the Sun during its orbit.
What are three main parts of a comet?
A comet's 3 main parts are nucleus, coma and tail. The nucleus is the heart of a comet. A coma is the gas and dust that forms a cloud around the nucleus. The tail is a blazing streamer from the coma, it is million of miles long
