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The tail of a comet, also known as its coma, grows as the comet gets close to the sun because of increases in temperature and force exerted by the solar wind. Since a comet's coma is usually composed of dust and vapor, the solar wind causes it to stream out away from the sun.
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What cause the tail of a comet to form?
When a comet nears the sun, and begins to out-gas, solar wind pushes the particles away. as the comet nears the sun, more & more particles are emitted, and the tail grows.
What is the hazy layer that surrounds a comet and nucleus?
The "coma".
What is the fuzzy outer layer of a comet called?
The Coma is the fuzzy outer layer of a comet.
Why do you think that the speeds of comets increase as they get near the sun?
Comet speeds increase as they near the sun due to the sun's gravitational pull. The sun's gravity accelerates the comet as it moves closer, causing an increase in speed. Additionally, as the comet nears the sun, it is subjected to increasing solar radiation and solar wind pressure, which can also contribute to its acceleration.
Correct term for the halo of light around a comet?
This is the coma, the portion of the comet that sublimates from the surface as it approaches the sun.
What does ice an dust do as a comet nears sun?
It will start to sublimate, as the material gets heated.
When a comet passes through the sun what happens to the ice?
When a comet passes close to the sun, the intense heat causes the ice and other volatile substances on the comet's surface to vaporize and create a glowing coma around the nucleus, forming the characteristic tail of a comet. This process is called sublimation, where the ice transitions directly from a solid to a gas without passing through a liquid phase.
What are particles around the comet?
Particles around a comet usually include dust and gas that are released as the comet approaches the sun. These particles form a glowing cloud called a coma which envelops the nucleus of the comet. As the comet gets closer to the sun, the solar wind pushes on the particles in the coma, creating the tail that points away from the sun.
Why does the tail of a comet get larger as it gets closer to the sun?
As a comet nears the sun, solar radiation and solar wind cause the comet's icy nucleus to sublimate, releasing gas and dust into space. This forms a glowing coma around the nucleus, which can get pushed back by the solar wind to form a long tail that points away from the sun.
A comet developes a coma because of?
A comet forms a so-called coma when it passes near the Sun. A comet undergoes sublimation when it warms up therefore producing a fuzzy like appearance. The term coma comes from the Greek word "kome" which means "hair".
What is the correct term for the halo light around a comet?
The Coma is the nebulous envelope around the nucleus of a comet. It is formed when the comet passes close to the Sun.
The nucleus and the coma compose the of the comet?
The nucleus and the coma compose the core of the comet. The nucleus is the solid, rocky part at the center, while the coma is the surrounding cloud of gas and dust that forms as the comet gets closer to the Sun and begins to vaporize.
