Astronomy MCQs
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History of Astronomy MCQs with Answers
History of Astronomy MCQs with Answers Who proposed the heliocentric model of the solar system? a) Ptolemy b) Nicolaus Copernicus…
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Supernovae MCQs with Answers
What is a supernova? A) A type of galaxy B) A star at the end of its life cycle C)…
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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…
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Time and Calendars in Astronomy MCQs with Answers
What is the unit of time defined as the time it takes for the Earth to complete one full rotation…
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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)…
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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…
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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…
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Comets MCQs with Answers
What are comets primarily composed of? A) Iron and nickel B) Rock and metal C) Ice and dust D) Hydrogen…
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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…
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Cosmological Models MCQs with Answers
What model describes the universe as infinite in size and age, with matter distributed uniformly? A) Steady-State Model B) Big…
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Outer Planets MCQs with Answers
Which outer planet is known for its Great Red Spot? A) Jupiter B) Saturn C) Uranus D) Neptune Answer: A)…
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Asteroids MCQs with Answers
What are asteroids primarily composed of? A) Ice B) Gas C) Rock and metal D) Organic compounds Answer: C) Rock…
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Constellations MCQs with Answers
Which constellation is known as “The Hunter”? A) Orion B) Ursa Major C) Scorpius D) Cassiopeia Answer: A) Orion Which…
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Pulsars MCQs with Answers
What is a pulsar? A) A type of galaxy B) A type of star C) A type of asteroid D)…
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Solar System Formation MCQs with Answers
How old is the Solar System believed to be? A) 4 million years B) 4 billion years C) 14 billion…
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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…
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Astrobiology MCQs with Answers
What is astrobiology? A) The study of stars and galaxies B) The study of life in the universe and its…
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Space Agencies MCQs with Answers
Which space agency launched the Mars rover Perseverance in 2020? A) NASA B) ESA C) CNSA D) Roscosmos Answer: A)…
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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…
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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)…
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Astrodynamics MCQs with Answers
In astrodynamics, what is the term for the speed needed for an object to break free from the gravitational influence…
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Telescopes and Optics MCQs with Answers
What type of telescope uses lenses to gather and focus light? A) Reflecting telescope B) Refracting telescope C) Catadioptric telescope…
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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…
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Satellite Orbits MCQs with Answers
What type of orbit is characterized by a satellite orbiting the Earth in the same direction as the Earth’s rotation?…
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Coordinate Systems MCQs with Answers
Which coordinate system is commonly used to specify locations on the Earth’s surface? A) Cartesian coordinates B) Polar coordinates C)…
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Radio Astronomy MCQs with Answers
What type of waves does radio astronomy primarily study? a) Gamma rays b) X-rays c) Radio waves d) Ultraviolet waves…
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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…
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Inner Planets MCQs with Answers
Which inner planet is known as the “Morning Star” or “Evening Star”? A) Mercury B) Venus C) Earth D) Mars…
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Astronautics MCQs with Answers
What is the term for the imaginary line around which a rotating body, such as a planet or spacecraft, rotates?…
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Astronomy MCQs with Answers
Solar System Formation Inner Planets Outer Planets Dwarf Planets Moon Phases Solar Eclipses Lunar Eclipses Asteroids Comets Kuiper Belt and…
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