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Which type of celestial object is characterized by its composition of dust, ice, and gases, forming a glowing coma and tail when near the Sun?
- a)Asteroid
- b)Moon
- c)Comet
- d)Dwarf planet
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Which type of celestial object is characterized by its composition of ...
Comets are composed of dust, ice, and gases, and form a glowing coma and tail when they approach the Sun.
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Which type of celestial object is characterized by its composition of ...
Understanding Comets
Comets are fascinating celestial objects that capture our imagination with their stunning appearances and unique characteristics.
Composition of Comets
- Comets are primarily made up of:
- Dust
- Ice
- Gases
These materials are often described as "dirty snowballs" because of their icy cores mixed with dust.
Formation of the Coma
- As a comet approaches the Sun, the heat causes the ice to vaporize.
- This process creates a glowing envelope of gas and dust around the nucleus called the coma.
- The coma can be quite large, sometimes extending thousands of kilometers into space.
The Tail of the Comet
- The solar wind and radiation pressure from the Sun push the gas and dust away from the coma, forming a tail.
- This tail can stretch millions of kilometers and is always directed away from the Sun, regardless of the comet's direction of travel.
Differences from Other Celestial Objects
- Unlike asteroids, which are rocky and mostly found in the asteroid belt, comets are icy bodies that originate from the outer regions of the solar system.
- Moons are natural satellites orbiting planets, while dwarf planets are celestial bodies that are not classified as full-fledged planets but are larger than asteroids.
In summary, the correct answer is C) Comet, as it is the only object in the options that forms a coma and tail when near the Sun due to its unique composition of dust, ice, and gases.
Comets are fascinating celestial objects that capture our imagination with their stunning appearances and unique characteristics.
Composition of Comets
- Comets are primarily made up of:
- Dust
- Ice
- Gases
These materials are often described as "dirty snowballs" because of their icy cores mixed with dust.
Formation of the Coma
- As a comet approaches the Sun, the heat causes the ice to vaporize.
- This process creates a glowing envelope of gas and dust around the nucleus called the coma.
- The coma can be quite large, sometimes extending thousands of kilometers into space.
The Tail of the Comet
- The solar wind and radiation pressure from the Sun push the gas and dust away from the coma, forming a tail.
- This tail can stretch millions of kilometers and is always directed away from the Sun, regardless of the comet's direction of travel.
Differences from Other Celestial Objects
- Unlike asteroids, which are rocky and mostly found in the asteroid belt, comets are icy bodies that originate from the outer regions of the solar system.
- Moons are natural satellites orbiting planets, while dwarf planets are celestial bodies that are not classified as full-fledged planets but are larger than asteroids.
In summary, the correct answer is C) Comet, as it is the only object in the options that forms a coma and tail when near the Sun due to its unique composition of dust, ice, and gases.
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Which type of celestial object is characterized by its composition of dust, ice, and gases, forming a glowing coma and tail when near the Sun?a)Asteroidb)Moonc)Cometd)Dwarf planetCorrect answer is option 'C'. Can you explain this answer? for Class 6 2025 is part of Class 6 preparation. The Question and answers have been prepared according to the Class 6 exam syllabus. Information about Which type of celestial object is characterized by its composition of dust, ice, and gases, forming a glowing coma and tail when near the Sun?a)Asteroidb)Moonc)Cometd)Dwarf planetCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 6 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which type of celestial object is characterized by its composition of dust, ice, and gases, forming a glowing coma and tail when near the Sun?a)Asteroidb)Moonc)Cometd)Dwarf planetCorrect answer is option 'C'. Can you explain this answer?.
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