Astronomy MCQs
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Ultraviolet Astronomy MCQs with Answers
What type of astronomical objects emit ultraviolet (UV) radiation? a) Red dwarfs b) Planets c) O-type stars d) Asteroids Answer:…
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X-ray Astronomy MCQs with Answers
Which celestial objects emit X-rays? a) Main sequence stars b) Red giants c) Black holes d) Asteroids Answer: c) Black…
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Dwarf Planets MCQs with Answers
Which celestial body was reclassified as a Dwarf Planet in 2006? A) Eris B) Pluto C) Ceres D) Haumea Answer:…
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Quasars MCQs with Answers
What are quasars primarily composed of? A) Hydrogen B) Helium C) Carbon D) Plasma Answer: D) Plasma Quasars emit radiation…
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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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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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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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Lunar Eclipses MCQs with Answers
What type of eclipse occurs when the Earth passes between the Sun and the Moon, casting its shadow on the…
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Light and Optics in Astronomy MCQs with Answers
What is the main function of a telescope in astronomy? A) To emit light B) To absorb light C) To…
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Celestial Mechanics MCQs with Answers
What is the force that keeps celestial bodies in orbit around larger bodies such as planets around the sun? A)…
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Meteoroids, Meteors, and Meteorites MCQs with Answers
What is a small rocky or metallic body in space called before it enters the Earth’s atmosphere? A) Comet B)…
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Solar Eclipses MCQs with Answers
What type of eclipse occurs when the Moon passes between the Sun and Earth, blocking the Sun’s light? A) Solar…
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Gamma-ray Astronomy MCQs with Answers
What type of electromagnetic radiation has the shortest wavelength? a) X-rays b) Gamma rays c) Ultraviolet rays d) Infrared rays…
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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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Moon Phases MCQs with Answers
During which phase of the Moon is the entire illuminated side visible from Earth? A) Full Moon B) New Moon…
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Celestial Coordinates MCQs with Answers
What is the celestial equivalent of latitude on Earth? A) Declination B) Right ascension C) Azimuth D) Altitude Answer: A)…
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Infrared Astronomy MCQs with Answers
What type of celestial objects emit infrared radiation? a) White dwarfs b) Red giants c) Neutron stars d) Brown dwarfs…
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