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long period comet
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∙ 15y ago
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Do all comets have tails?
Because they aren't traveling towards the sun. Comet tails are caused by debries being burned off.
What do scientist hope to learn about comets?
The original of our solar system could be locked within a comet.
Are comets from other galaxies?
No, they are not. They come from regions of asteroids that exist within our own solar system. Long period comets, the ones that appear once in thousands of years, probably come from the Oort Cloud, a spherical cloud of small icy asteroids believed to exist at the farthest outer reaches of the solar system. Short period comets like Halley's probably come from the Kuiper Belt, a ring of asteroids just beyone Neptune's orbit. The minor planet Pluto is the most famous Kuiper object. Not all objects in the Oort Cloud and Kuiper Belt are comets; in fact most are not.
Can you see comets all year long?
Yes, as long as an asteroid is within visible distance of earth.
Do Comets orbit Earth the way the moon orbits Earth?
no, comets do not orbit Earth. If comets did orbit Earth, it would be Earths Moon's, but comets orbit the kuiper belt at the edge of the Solar System. Some times comets hit each other and get knocked out of their orbit and possibly hit a planet.
What is the difference of meteors meteorites and comets?
A meteorode is a small particle of debris within our solar system. When the meteoroid enters our atmosphere is becomes a meteor. If it then lands on the earth it becomes a meteorite. Comets on the other hand are larger and are associated with a visible tail.
Can you see comets when they come near earth?
Absolutely. You can see comets pretty much anywhere they pass between Venus and Mars, when they are opposite the sun from us. On the day side sunlight obliterates them from view. Hyukatake and Hale-Bopp were two prominent comets within the past twenty years. Beyond Jupiter they are much harder to see, both because there is much less outgassing and because of their relative size. Such comets are typically found only in fairly large telescopes.
Will the next comet cause the coasts to flood within 100 miles inland?
There are comets around all the time. In order to have this much of a cataclysmic effect, it would need to pass very close to the earth, if not hit it entirely. At the moment, we do not know of any comets on this trajectory.
How do you define the system?
The solar system is the region of space that is within the gravitational field of the Sun consisting of planets, satellites, asteroids, and comets.
What is the system within the solar system?
The "system" refers to the fact that there are several parts; in this case, the Sun itself, the planets, comets, moons, etc.
How far are comets to the sun?
The distance of a comet from the sun varies greatly. Much more so than for any of the planets, in fact. Comets orbit the sun in long, long eliptical orbits. The orbits of comets can take them from the inner planets outward to space far beyond the orbits of the outer most planets.
What is a solar system in astrophysics?
A solar system is a gravitational field within a galaxy consisting of a star and its satellite bodies such as planets, moons, asteroids, and comets.
