Astronomers hope that Comet ISON, due to swing past the Sun in late 2013, will put on a spectacular show.

First of all you need to understand what a comet is? False.

One tail is due to the comet's dust particles, the other is due to ionized gas from the comet coma. The comet itself develops a cloudy surface condition and a tail of condensed gas clouds develops in and around the shadow of the comet body. One tail is due to the comet's dust particles, the other is due to ionized gas from the comet coma. OK, that was a poor pun – I'm sorry.

Most comets travel a safe distance from the Sun―comet Halley comes no closer than 89 million kilometers (55 million miles). Other comets, like Hale-Bopp, which could be seen from Earth in 1997, have very prominent tails.

The comet is falling toward the earth because of gravity while being pushed out by radiation (i.e., light) pressure. The comet and its dust tail appear red because they are more than ten times colder than the bright blue stars in the background.

A comet is a mixture of rocks, dust and ice. The tails of comets can reach 150 million kilometers in length!

Comets do not show tails unless they are within the orbit of Mars which is where they warm up and begin to partially evaporate.

That is when they develop an atmosphere of gases. Credit: NASA. At first glance, comets and asteroids may appear … Comets develop tails as they approach perihelion—the place in their orbits when they are closest to the Sun. No.

I can't say for sure why the tail of a comet points away from the … Actually, comets have two tails. First, there is the comet Pan-STARRS as seen above. Comets do not show tails unless they are within the orbit of Mars which is where they warm up and begin to partially evaporate.

Comets actually have two tails―a dust tail and an ion (gas) tail. They are simply very faint. Comets have two main tails, a dust tail and a plasma tail.

As you must know our Solar System was formed out of a nebula, which is a cloud of dust and gases.

Comets often develop two tails as they near the sun – a curved dust tail and straight, ion tail. A comet generally has two tails, not one. Maybe because, like monkeys, they can hang themselves on trees. When do comets show tails?

Fred Espenak / NASA GSFC Why do comets have tails? The Sun’s heat vaporizes some of the comet's material, releasing dust particles that were trapped in …

These particles and gases make a cloud around the nucleus, called a … The comet itself develops a cloudy surface condition and a tail of condensed gas clouds develops in and around the shadow of the comet body.

Comets have two tails, one is dust, pushed by the solar wind the other is ionized gas interacting with the sun's magnetic field.

Through the heat, particles within the nucleus of the comet begin to fly off because of solar radiation. The solar winds push the dust and gas away from the coma causing them to stream off into space to form the comet's tail. When Comet ISON was the same distance from the Sun as … That is when they develop an atmosphere of gases. Comets often develop two tails as they near the sun – a curved dust tail and straight, ion tail.

Hope this helps! This comet tail generally points back along the comet path (so if the comet is traveling right, the dust tail extends to the left). Which of the following define the Permian-Triassic.

When they are approaching the sun.

But comets are a hot item now. A comet is a ball of residue of formation of our solar system. 3. Comet tails may spray planets, as was the case in 2013 with Comet Siding Spring and Mars. Light pressure and gravity. Comets are mostly made of frozen water and sometimes other elements. A comet's tail is its most distinctive feature. The solar winds cause the comet's tail to point away from the Sun. A simplistic answer according to the article "Comets: Formation, Discovery and Exploration" (Choi, 2010) is as the comet (which is a lump of 'dirty ice') approaches the sun, the radiation emitted causes the ice to melt into a 'coma', and then blown out into a tail in the solar wind.. Comets often have a second tail called an ion tail (also called the plasma or gas tail).

Comets orbit the Sun just like planets and asteroids do, except a comet usually has a very elongated orbit.

A comet's tail can become quite long.

Let me explain. Going further, from the webpage "Why do some comets have two tails? Recent calculations show that this asteroid-rich Kuiper belt (as it is now known) is probably the source of most of the short-period comets, such as Halley's comet, which orbits the Sun every 76 years.

As the comet gets closer to the Sun, some of the ice starts to melt and boil off, along with particles of dust. Comets orbit the Sun just like planets and asteroids do, except a comet usually has a very elongated orbit.

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