Astronomy
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SETI (Search for Extraterrestrial Intelligence) MCQs with Answers
Which organization conducts the SETI (Search for Extraterrestrial Intelligence) project? A) NASA B) ESA (European Space Agency) C) SETI Institute…
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Habitable Zones MCQs with Answers
What is the term for the region around a star where conditions may support the existence of liquid water on…
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Exoplanet Discoveries MCQs with Answers
How do astronomers typically detect exoplanets? A) Using radio telescopes B) Observing changes in starlight C) Analyzing gamma-ray bursts D)…
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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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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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Spacecraft Propulsion MCQs with Answers
What type of propulsion system uses the ejection of mass to generate thrust? A) Ion propulsion B) Nuclear propulsion C)…
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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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Space Observatories MCQs with Answers
Which space observatory was launched by NASA in 1990 and has provided stunning images of the cosmos? A) Hubble Space…
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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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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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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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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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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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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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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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