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They all orbit around the sun.

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Abbie Hyatt

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3y ago

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In what ways are comets and asteroids similar?

Asteroids and comets have a few things in common. They are both celestial bodies orbiting our Sun, and they both can have unusual orbits, sometimes straying close to Earth or the other planets. They are both "leftovers" - made from materials from the formation of our Solar System 4.5 billion years ago. While asteroids consist of metals and rocky material, comets are made up of ice, dust, rocky materials and organic compounds. When comets get closer to the Sun, they lose material with each orbit because some of their ice melts and vaporizes. Asteroids typically remain solid, even when near the Sun. When comets approach the Sun, some of their ices melt. This causes another notable difference between asteroids and comets: comets have "tails" while asteroids generally don't. When the ices in comets begin to melt and other materials vaporize from the heat from the Sun, this forms a glowing halo that extends outward from the comet as it sails through space. There is a big difference when it comes to numbers… although there is a caveat in that we don't know precisely how many asteroids OR comets there are in our Solar System, since lots have never been seen. Astronomers have discovered millions of asteroids - some as small as dust particles and others measuring hundreds of kilometers across (width). But as of this writing, astronomers have found only about 4,000 comets. [However, some estimates say there could be one hundred billion comets in the Oort cloud.]


What are asteroids closely similar to?

This is a very vague question. Best that can be done is describe an asteroid. Asteroids very greatly in size, some are as large as planets. Asteroids generally have an irregular shape (Not rounded by its own gravity like a planet.) Most known asteroids lie within the asteroid belt, but many do not have a regular orbit. I would say, the closest thing to an asteroid, would be a meteoroid, which is basically a small asteroid and is often just a piece that has broken off of an asteroid.


What space objects are made of chunks of rock?

Asteroids, meteoroids, and comets are space objects that are made of chunks of rock. Asteroids are rocky bodies that orbit the Sun within the asteroid belt, meteoroids are smaller rocky fragments that travel through space, and comets are a mixture of rock, dust, ice, and frozen gases.


Objects that orbit the sun?

Planets, exoplanets, asteroids. They're all sattelites of the sun.


Is there water in outer space?

Yes, there is water in outer space in the form of ice and vapor. It can be found in comets, asteroids, and even in the atmospheres of some planets and moons.