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What part or parts of a comet come and go during a comet's orbit?
The tail. The tail is composed of gas and dust released from the comet nucleus when it approaches the Sun. Comet tails can be incredibly long, some as long as 150 million kilometers. As the comet recedes out into the Solar System away from the warmth of the Sun, it stops shedding dust and gas and the comet loses its tail.
Why do some asteroids leave there orbit?
They could be knocked out of orbit by being hit from a comet, or a 'rogue' asteroid that's not part of the asteroid belt.
What space curiosity occurs every 76 years?
Halley's Comet returns to the part of its orbit visible from Earth.
Why do we only see a comet for a very short part of their orbit?
We onnly see a comet for a very short part of their orbit because they travel in very elongated elliptical orbits with the Sun near one end. So they are only close to the Sun for us to see their reflected light for a short time.
Do comets orbit in the shape of a planets orbit?
A comet that's bound to the sun and appears periodically is in an elliptical orbit. A comet that whizzes through the solar system only once and then leaves for good is in a hyperbolic orbit. If the comet is periodic but with an exceptionally long period ... thousands of years e.g. ... then we can't tell, from the small part of its orbit that we can see, whether it's elliptical or hyperbolic.
How does the elliptical orbit of comets affect their appearance?
Invisible to our eyes, ionic "winds" are constantly blowing away from the sun. As a comet passes in a long, elliptical orbit, its tail is pushed away from the sun by these solar winds. Since most of the visible part of the comet is its tail, this is a very visible effect. Of course, there is no air resistance in the vacuum of outer space, a comet's orbit will not make it more elongated, smooth, etc.
What is a meteors storm?
Each time a comet comes near the Sun, the dust and debris from a comet passing near the Sun are pushed out a LITTLE bit from the head of the comet, but MOST of the dust and rocks from the comet continue along in pretty much the same orbit as before. Over the centuries, the trail of dust and rocks spreads out along the orbit to fill in the entire orbital path. When the Earth's orbit crosses any part of the comet's orbit, we have "meteor showers". Most meteors are the size of a grain of sand, and the "average" meteor is about the size of a grain of rice; a meteor the size of a Golf ball is pretty big, and meteors like the one that exploded over Russia in March, 2013 are enormous..
Is Haley's comet part of the Oort cloud?
No, Haley's Comet is not part of the Oort Cloud. It is a periodic comet that belongs to the Jupiter family of comets, originating from the Kuiper Belt. The Oort Cloud is a theoretical region of space much farther out in the solar system than where Halley's Comet originates.
Which part of a comet is solid?
The nucleus is the solid part of a comet.
Why are you able to see a certain comet one but not again until many years later?
The orbits of comets are elongated ovals that take the comet around the sun and then far out beyond Pluto. We can see them only in that part of their orbit which brings them close to the Earth
What does Halley's comet travel through our solar system regularly?
Halley's Comet is PART OF our solar system. Halley's Comet is the best-known of the short-period comets, returning to the inner solar system every 76 years or so. It never gets much further away than the orbit of Neptune.
What appears to move backwards among the stars?
Planets do that, during part of their orbit.
