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Celestial Bodies: Comets, Meteors, and Asteroids

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Celestial Bodies: Comets, Meteors, and Asteroids

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Questions and Answers

Which of the following statements about comets is NOT true?

Comets can be observed from Earth without a telescope.

Comets are made primarily of ice and dust.

Comets always exhibit a bright tail when close to the Sun.

Comets originate from the asteroid belt. (correct)

What distinguishes meteors from asteroids?

Meteors are meteoroids that have entered Earth's atmosphere. (correct)

Meteors are larger than asteroids.

Meteors originate primarily from asteroid belts.

Asteroids usually have a tail, while meteors do not.

Which of the following best describes the composition of asteroids?

Asteroids are primarily composed of ice and organic compounds.

Asteroids are composed entirely of liquid substances.

Asteroids are predominantly gaseous in nature.

Asteroids mainly consist of metals and rocky materials. (correct)

What is the largest known asteroid in the asteroid belt?

<p>Ceres</p> Signup and view all the answers

Which feature is unique to comets compared to asteroids?

<p>Formation of a tail when nearing the Sun.</p> Signup and view all the answers

Study Notes

Comets

Comets are icy bodies that, when close to the Sun, heat up and release gases, forming visible atmospheres called comas and sometimes tails.
Comets originated from the outer regions of the solar system, particularly the Kuiper Belt and Oort Cloud.

Meteors

Meteors are the streaks of light produced when meteoroids enter the Earth's atmosphere and burn up due to friction.
If a meteoroid survives its passage through the atmosphere and lands on Earth, it is classified as a meteorite.

Asteroids

Asteroids are rocky bodies that orbit the Sun, primarily found in the asteroid belt between Mars and Jupiter.
The largest asteroid is Ceres, which is also classified as a dwarf planet with a diameter of approximately 940 kilometers.

Composition of Asteroids

Asteroids are composed mainly of rock and metal, with some containing organic compounds and water ice.
Their composition reflects the conditions of the early solar system, providing insights into planetary formation.

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Description

Explore the fascinating world of celestial bodies such as comets, meteors, and asteroids. This quiz delves into the composition, characteristics, and significance of these space objects. Test your knowledge and learn more about our solar system's unique features.