World GK MCQs

Astronomy and Space Exploration MCQs with Answers

What is the study of celestial objects and phenomena called?
a) Astrology
b) Cosmology
c) Astronomy
d) Astrophysics
Answer: c) Astronomy

Which of the following is the largest planet in our solar system?
a) Jupiter
b) Saturn
c) Mars
d) Earth
Answer: a) Jupiter

What is the term for a star that has exhausted its nuclear fuel and has collapsed under its own gravity?
a) White dwarf
b) Neutron star
c) Black hole
d) Red giant
Answer: c) Black hole

What is the name of the galaxy that contains our solar system?
a) Andromeda
b) Milky Way
c) Orion
d) Sombrero
Answer: b) Milky Way

Which of the following is NOT a type of galaxy?
a) Spiral
b) Elliptical
c) Irregular
d) Rectangular
Answer: d) Rectangular

What is the term for the explosion of a massive star at the end of its life?
a) Supernova
b) Nova
c) Solar flare
d) Black hole
Answer: a) Supernova

What is the name of the first human-made satellite launched into space?
a) Hubble Space Telescope
b) Voyager 1
c) Sputnik 1
d) International Space Station
Answer: c) Sputnik 1

Which planet is known for its beautiful ring system?
a) Saturn
b) Jupiter
c) Uranus
d) Neptune
Answer: a) Saturn

What is the term for a region in space where gravity is so strong that nothing can escape from it?
a) Black hole
b) Nebula
c) Supernova
d) Quasar
Answer: a) Black hole

What is the process by which light is produced in the Sun and other stars?
a) Nuclear fusion
b) Nuclear fission
c) Combustion
d) Photosynthesis
Answer: a) Nuclear fusion

What is the term for a group of stars that form a pattern or shape in the night sky?
a) Nebula
b) Galaxy
c) Constellation
d) Solar system
Answer: c) Constellation

Which planet is known for its prominent red color?
a) Mars
b) Venus
c) Mercury
d) Uranus
Answer: a) Mars

What is the name of the spacecraft that landed the first humans on the Moon?
a) Apollo 11
b) Voyager 2
c) Hubble Space Telescope
d) Mars Rover
Answer: a) Apollo 11

Which of the following is NOT a phase of the Moon?
a) Crescent
b) Full
c) Square
d) Gibbous
Answer: c) Square

What is the term for a small, icy object that orbits the Sun and often has a tail?
a) Asteroid
b) Meteoroid
c) Comet
d) Satellite
Answer: c) Comet

What is the name of the largest moon of Saturn?
a) Europa
b) Ganymede
c) Titan
d) Callisto
Answer: c) Titan

Which of the following is a characteristic of a gas giant planet?
a) Small size
b) Solid surface
c) Dense atmosphere
d) Rings
Answer: d) Rings

What is the term for the time it takes for a planet to complete one orbit around the Sun?
a) Rotation
b) Revolution
c) Oscillation
d) Precession
Answer: b) Revolution

Which planet is known for its prominent rings and many moons?
a) Neptune
b) Uranus
c) Jupiter
d) Saturn
Answer: d) Saturn

What is the term for a sudden burst of energy from the Sun’s surface?
a) Solar wind
b) Solar flare
c) Solar eclipse
d) Solar system
Answer: b) Solar flare

Which of the following is NOT a terrestrial planet?
a) Mars
b) Venus
c) Mercury
d) Jupiter
Answer: d) Jupiter

What is the name of the largest volcano in our solar system, located on Mars?
a) Mount Everest
b) Olympus Mons
c) Mount Kilimanjaro
d) Mount Vesuvius
Answer: b) Olympus Mons

Which of the following is a characteristic of a rocky, or terrestrial, planet?
a) Large size
b) Thick atmosphere
c) Dense metallic core
d) Many moons
Answer: c) Dense metallic core

What is the term for a sudden increase in the brightness of a star?
a) Supernova
b) Nova
c) Black hole
d) Neutron star
Answer: b) Nova

Which planet is known for its beautiful system of rings?
a) Jupiter
b) Uranus
c) Neptune
d) Saturn
Answer: d) Saturn

What is the name of the first man-made object to orbit the Earth?
a) Voyager 1
b) Hubble Space Telescope
c) Sputnik 1
d) International Space Station
Answer: c) Sputnik 1

Which of the following is the largest moon in our solar system?
a) Europa
b) Ganymede
c) Titan
d) Callisto
Answer: b) Ganymede

What is the term for the region of space around a black hole from which nothing can escape?
a) Event horizon
b) Singularity
c) Wormhole
d) Quasar
Answer: a) Event horizon

Which of the following is the closest star to our solar system?
a) Alpha Centauri
b) Betelgeuse
c) Sirius
d) Proxima Centauri
Answer: d) Proxima Centauri

What is the term for the blocking of light from one celestial body by another?
a) Eclipse
b) Equinox
c) Solstice
d) Comet
Answer: a) Eclipse

Which planet is known for its prominent rings and many moons?
a) Neptune
b) Uranus
c) Jupiter
d) Saturn
Answer: d) Saturn

What is the term for a sudden burst of energy from the Sun’s surface?
a) Solar wind
b) Solar flare
c) Solar eclipse
d) Solar system
Answer: b) Solar flare

Which of the following is NOT a terrestrial planet?
a) Mars
b) Venus
c) Mercury
d) Jupiter
Answer: d) Jupiter

What is the name of the largest volcano in our solar system, located on Mars?
a) Mount Everest
b) Olympus Mons
c) Mount Kilimanjaro
d) Mount Vesuvius
Answer: b) Olympus Mons

Which of the following is a characteristic of a rocky, or terrestrial, planet?
a) Large size
b) Thick atmosphere
c) Dense metallic core
d) Many moons
Answer: c) Dense metallic core

What is the term for a sudden increase in the brightness of a star?
a) Supernova
b) Nova
c) Black hole
d) Neutron star
Answer: b) Nova

Which planet is known for its beautiful system of rings?
a) Jupiter
b) Uranus
c) Neptune
d) Saturn
Answer: d) Saturn

What is the name of the first man-made object to orbit the Earth?
a) Voyager 1
b) Hubble Space Telescope
c) Sputnik 1
d) International Space Station
Answer: c) Sputnik 1

Which of the following is the largest moon in our solar system?
a) Europa
b) Ganymede
c) Titan
d) Callisto
Answer: b) Ganymede

What is the term for the region of space around a black hole from which nothing can escape?
a) Event horizon
b) Singularity
c) Wormhole
d) Quasar
Answer: a) Event horizon

Which of the following is the closest star to our solar system?
a) Alpha Centauri
b) Betelgeuse
c) Sirius
d) Proxima Centauri
Answer: d) Proxima Centauri

What is the term for the blocking of light from one celestial body by another?
a) Eclipse
b) Equinox
c) Solstice
d) Comet
Answer: a) Eclipse

Which planet is known for its prominent rings and many moons?
a) Neptune
b) Uranus
c) Jupiter
d) Saturn
Answer: d) Saturn

What is the term for a sudden burst of energy from the Sun’s surface?
a) Solar wind
b) Solar flare
c) Solar eclipse
d) Solar system
Answer: b) Solar flare

Which of the following is NOT a terrestrial planet?
a) Mars
b) Venus
c) Mercury
d) Jupiter
Answer: d) Jupiter

What is the name of the largest volcano in our solar system, located on Mars?
a) Mount Everest
b) Olympus Mons
c) Mount Kilimanjaro
d) Mount Vesuvius
Answer: b) Olympus Mons

Which of the following is a characteristic of a rocky, or terrestrial, planet?
a) Large size
b) Thick atmosphere
c) Dense metallic core
d) Many moons
Answer: c) Dense metallic core

What is the term for a sudden increase in the brightness of a star?
a) Supernova
b) Nova
c) Black hole
d) Neutron star
Answer: b) Nova

Which planet is known for its beautiful system of rings?
a) Jupiter
b) Uranus
c) Neptune
d) Saturn
Answer: d) Saturn

What is the name of the first man-made object to orbit the Earth?
a) Voyager 1
b) Hubble Space Telescope
c) Sputnik 1
d) International Space Station
Answer: c) Sputnik 1

Which of the following is the largest moon in our solar system?
a) Europa
b) Ganymede
c) Titan
d) Callisto
Answer: b) Ganymede

What is the term for the region of space around a black hole from which nothing can escape?
a) Event horizon
b) Singularity
c) Wormhole
d) Quasar
Answer: a) Event horizon

Which of the following is the closest star to our solar system?
a) Alpha Centauri
b) Betelgeuse
c) Sirius
d) Proxima Centauri
Answer: d) Proxima Centauri

What is the term for the blocking of light from one celestial body by another?
a) Eclipse
b) Equinox
c) Solstice
d) Comet
Answer: a) Eclipse

Which planet is known for its prominent rings and many moons?
a) Neptune
b) Uranus
c) Jupiter
d) Saturn
Answer: d) Saturn

What is the term for a sudden burst of energy from the Sun’s surface?
a) Solar wind
b) Solar flare
c) Solar eclipse
d) Solar system
Answer: b) Solar flare

Which of the following is NOT a terrestrial planet?
a) Mars
b) Venus
c) Mercury
d) Jupiter
Answer: d) Jupiter

What is the name of the largest volcano in our solar system, located on Mars?
a) Mount Everest
b) Olympus Mons
c) Mount Kilimanjaro
d) Mount Vesuvius
Answer: b) Olympus Mons

Which of the following is a characteristic of a rocky, or terrestrial, planet?
a) Large size
b) Thick atmosphere
c) Dense metallic core
d) Many moons
Answer: c) Dense metallic core

What is the term for a sudden increase in the brightness of a star?
a) Supernova
b) Nova
c) Black hole
d) Neutron star
Answer: b) Nova

Which planet is known for its beautiful system of rings?
a) Jupiter
b) Uranus
c) Neptune
d) Saturn
Answer: d) Saturn

What is the name of the first man-made object to orbit the Earth?
a) Voyager 1
b) Hubble Space Telescope
c) Sputnik 1
d) International Space Station
Answer: c) Sputnik 1

Which of the following is the largest moon in our solar system?
a) Europa
b) Ganymede
c) Titan
d) Callisto
Answer: b) Ganymede

What is the term for the region of space around a black hole from which nothing can escape?
a) Event horizon
b) Singularity
c) Wormhole
d) Quasar
Answer: a) Event horizon

Which of the following is the closest star to our solar system?
a) Alpha Centauri
b) Betelgeuse
c) Sirius
d) Proxima Centauri
Answer: d) Proxima Centauri

What is the term for the blocking of light from one celestial body by another?
a) Eclipse
b) Equinox
c) Solstice
d) Comet
Answer: a) Eclipse

Which planet is known for its prominent rings and many moons?
a) Neptune
b) Uranus
c) Jupiter
d) Saturn
Answer: d) Saturn

What is the term for a sudden burst of energy from the Sun’s surface?
a) Solar wind
b) Solar flare
c) Solar eclipse
d) Solar system
Answer: b) Solar flare

Which of the following is NOT a terrestrial planet?
a) Mars
b) Venus
c) Mercury
d) Jupiter
Answer: d) Jupiter

What is the name of the largest volcano in our solar system, located on Mars?
a) Mount Everest
b) Olympus Mons
c) Mount Kilimanjaro
d) Mount Vesuvius
Answer: b) Olympus Mons

Which of the following is a characteristic of a rocky, or terrestrial, planet?
a) Large size
b) Thick atmosphere
c) Dense metallic core
d) Many moons
Answer: c) Dense metallic core

What is the term for a sudden increase in the brightness of a star?
a) Supernova
b) Nova
c) Black hole
d) Neutron star
Answer: b) Nova

Which planet is known for its beautiful system of rings?
a) Jupiter
b) Uranus
c) Neptune
d) Saturn
Answer: d) Saturn

What is the name of the first man-made object to orbit the Earth?
a) Voyager 1
b) Hubble Space Telescope
c) Sputnik 1
d) International Space Station
Answer: c) Sputnik 1

Which of the following is the largest moon in our solar system?
a) Europa
b) Ganymede
c) Titan
d) Callisto
Answer: b) Ganymede

What is the term for the region of space around a black hole from which nothing can escape?
a) Event horizon
b) Singularity
c) Wormhole
d) Quasar
Answer: a) Event horizon

Which of the following is the closest star to our solar system?
a) Alpha Centauri
b) Betelgeuse
c) Sirius
d) Proxima Centauri
Answer: d) Proxima Centauri

What is the term for the blocking of light from one celestial body by another?
a) Eclipse
b) Equinox
c) Solstice
d) Comet
Answer: a) Eclipse

Which planet is known for its prominent rings and many moons?
a) Neptune
b) Uranus
c) Jupiter
d) Saturn
Answer: d) Saturn

What is the term for a sudden burst of energy from the Sun’s surface?
a) Solar wind
b) Solar flare
c) Solar eclipse
d) Solar system
Answer: b) Solar flare

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