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Astronomy
Early Universe MCQs with Answers
What is the estimated age of the universe? A) 4.5 billion years B) 13.8 billion years C) 6.2 billion years D) 10.3 billion years Answer:…
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Astronomy
Cosmic Microwave Background MCQs with Answers
What is the primary source of the cosmic microwave background radiation (CMB)? A) Galactic dust B) Supernova explosions C) Early star formation D) Big Bang…
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Astronomy
Dark Matter and Dark Energy MCQs with Answers
What is dark matter primarily composed of? A) Protons and neutrons B) Electrons and positrons C) Neutrinos and photons D) Unknown particles Answer: D) Unknown…
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Astronomy
Hubble’s Law MCQs with Answers
What does Hubble’s Law describe? A) The expansion rate of the Milky Way B) The rotation speed of galaxies C) The relationship between the distance…
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Astronomy
Galaxy Clusters MCQs with Answers
What is the term used to describe a group of galaxies bound together by gravity? A) Galactic cluster B) Galactic supercluster C) Galaxy filament D)…
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Astronomy
Other Galaxies MCQs with Answers
Which type of galaxy has a smooth and featureless appearance, containing mostly old stars? A) Spiral galaxy B) Elliptical galaxy C) Irregular galaxy D) Lenticular…
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Astronomy
Andromeda Galaxy MCQs with Answers
What is the Andromeda Galaxy also known as? A) M31 B) M51 C) M87 D) M101 Answer: A) M31 Approximately how many light-years away is…
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Astronomy
Milky Way Galaxy MCQs with Answers
What is the shape of the Milky Way Galaxy? A) Elliptical B) Spiral C) Irregular D) Lenticular Answer: B) Spiral How many arms does the…
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Astronomy
Quasars MCQs with Answers
What are quasars primarily composed of? A) Hydrogen B) Helium C) Carbon D) Plasma Answer: D) Plasma Quasars emit radiation across which part of the…
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Astronomy
Pulsars MCQs with Answers
What is a pulsar? A) A type of galaxy B) A type of star C) A type of asteroid D) A type of black hole…
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Astronomy
Supernovae MCQs with Answers
What is a supernova? A) A type of galaxy B) A star at the end of its life cycle C) A comet passing near the…
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Astronomy
Stellar Classification MCQs with Answers
What is the main criterion used to classify stars? A) Luminosity B) Temperature C) Size D) Distance Answer: B) Temperature Which spectral type corresponds to…
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Astronomy
Suns Structure and Features MCQs with Answers
What is the primary source of the Sun’s energy? A) Nuclear fusion B) Nuclear fission C) Gravitational compression D) Solar wind Answer: A) Nuclear fusion…
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Astronomy
Kuiper Belt and Oort Cloud MCQs with Answers
What is the Kuiper Belt? A) A region of space beyond the asteroid belt B) A region of space between Mars and Jupiter C) A…
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Astronomy
Comets MCQs with Answers
What are comets primarily composed of? A) Iron and nickel B) Rock and metal C) Ice and dust D) Hydrogen and helium Answer: C) Ice…
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