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____ are heavenly bodies that shine by their own light
  • a)
    Galaxy
  • b)
    Earth
  • c)
    Stars
  • d)
    Moon
Correct answer is option 'C'. Can you explain this answer?
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____ are heavenly bodies that shine by their own lighta)Galaxyb)Earthc...
Stars make their own light. Whereas moon , asteroids and counts shine by light reflected from the sun. Star shine because they are extremely hot. The source of their energy is nuclear reaction going deep inside the stars. In most stars like sun hydrogen is being converted into helium and during this process it gives off energy that heats the stars.
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____ are heavenly bodies that shine by their own lighta)Galaxyb)Earthc...


Stars

Stars are heavenly bodies that emit light of their own. They are one of the most prominent features of the night sky and play a crucial role in the universe.

Characteristics of Stars:
- Stars are massive, luminous spheres of plasma held together by gravity.
- They produce energy through nuclear fusion reactions in their cores, converting hydrogen into helium.
- The light emitted by stars is a result of the energy released during these fusion reactions.
- Stars come in various sizes, colors, and temperatures, which determine their brightness and lifespan.

Importance of Stars:
- Stars serve as celestial navigational aids, guiding travelers and sailors for centuries.
- They play a vital role in the formation of galaxies, as they are responsible for creating and dispersing elements necessary for life.
- Stars also serve as cosmic laboratories, helping scientists study the fundamental forces and processes of the universe.

In conclusion, stars are fascinating celestial objects that emit light of their own, illuminating the night sky and providing valuable insights into the workings of the universe.
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____ are heavenly bodies that shine by their own lighta)Galaxyb)Earthc...
C
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Passage-3The Andromeda Galaxy, also known as Messier 31, NGC 224, is a spiral galaxy approximately 2.5 million light- years away from Earth. The Andromeda Galaxy is in the constellation Andromeda, and it is the nearest spiral galaxy to our own, the Milky Way. Both the Milky Way and the Andromeda Galaxy are members of the Local Group, which also includes the Griangulum Galaxy, among others. Until recently, it was believed that the Andromeda Galaxy had the greatest mass of the three Galaxies in the Local Group, but recent findings suggest that the Milky Way has the most dark matter out of the three, and this fact may suggest that in fact the Milky Way is the most massive. Scientists are still uncertain, and more research is needed to settle the matter. In terms of the actual number of stars, however, the Andromeda Galaxy contains approximately 1 trillion stars, which is much more than are contained in the Milky Way.The Andromeda Galaxy is visible to the naked eye in a moderately dark sky, and it appears quite small without a telescope because only the central part is bright enough to be visible. However, the angular diameter of the Andromeda Galaxy is seven times that of the full moon, and so if all of the stars of the Andromeda Galaxy were easily visibly to the naked eye, the galaxy would be the dominant object in the sky.Q. According to the passage, which of the following is true?

Passage-3The Andromeda Galaxy, also known as Messier 31, NGC 224, is a spiral galaxy approximately 2.5 million light- years away from Earth. The Andromeda Galaxy is in the constellation Andromeda, and it is the nearest spiral galaxy to our own, the Milky Way. Both the Milky Way and the Andromeda Galaxy are members of the Local Group, which also includes the Griangulum Galaxy, among others. Until recently, it was believed that the Andromeda Galaxy had the greatest mass of the three Galaxies in the Local Group, but recent findings suggest that the Milky Way has the most dark matter out of the three, and this fact may suggest that in fact the Milky Way is the most massive. Scientists are still uncertain, and more research is needed to settle the matter. In terms of the actual number of stars, however, the Andromeda Galaxy contains approximately 1 trillion stars, which is much more than are contained in the Milky Way.The Andromeda Galaxy is visible to the naked eye in a moderately dark sky, and it appears quite small without a telescope because only the central part is bright enough to be visible. However, the angular diameter of the Andromeda Galaxy is seven times that of the full moon, and so if all of the stars of the Andromeda Galaxy were easily visibly to the naked eye, the galaxy would be the dominant object in the sky.Q. In the passage, the author writes, "Scientists are still uncertain, and more research is needed to settle the matter," referring to the fact that scientists are uncertain about the relative masses ofthe Milky Way and the Andromeda Galaxy. If the author wanted to include more details about this, which of the following should also be included in the passage?

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____ are heavenly bodies that shine by their own lighta)Galaxyb)Earthc)Starsd)MoonCorrect answer is option 'C'. Can you explain this answer?
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