Astronomy and Astrophysics Quizzes: Test Your Knowledge of the Cosmos

Question 1

Which of the following is not a recognized type of galaxy?

Accepted Answer

Triangular

Answer

Elliptical

Answer

Spiral

Answer

Lenticular

Question 2

What is the final destiny of a star with a mass far greater than our Sun?

Accepted Answer

Black Hole

Answer

Red Dwarf

Answer

White Dwarf

Answer

Neutron Star

Question 3

Which element constitutes the majority of the universe?

Accepted Answer

Hydrogen

Answer

Helium

Answer

Carbon

Answer

Oxygen

Question 4

What theory describes the origin and evolution of the cosmos?

Accepted Answer

Big Bang Theory

Answer

String Theory

Answer

General Relativity

Answer

Quantum Mechanics

Question 5

Which type of star exceeds eight times the mass of the Sun?

Accepted Answer

Black Hole

Answer

Red Giant

Answer

White Dwarf

Answer

Neutron Star

Question 6

Which dwarf planet was formerly considered the ninth planet from the Sun?

Accepted Answer

Pluto

Answer

Ceres

Answer

Eris

Answer

Sedna

Question 7

Spectroscopy is a method used to analyze what aspect of stars?

Accepted Answer

Chemical Composition

Answer

Temperature

Answer

Distance

Answer

Mass

Question 8

Which black hole in the universe is known to be the largest?

Accepted Answer

M87*

Answer

Sagittarius A*

Answer

Ton 618

Answer

Cygnus X-1

Question 9

What type of galaxy exhibits a distinctive spiral shape?

Accepted Answer

Spiral Galaxy

Answer

Elliptical Galaxy

Answer

Lenticular Galaxy

Answer

Irregular Galaxy

Question 10

Who is credited with proposing the heliocentric model of the solar system?

Accepted Answer

Nicolaus Copernicus

Answer

Aristotle

Answer

Isaac Newton

Answer

Galileo Galilei

Question 11

What is the significance of the event horizon in relation to black holes?

Accepted Answer

The point beyond which nothing, not even light, can escape the gravitational pull of the black hole.

Answer

The center of the black hole where all matter is concentrated.

Answer

A region outside the black hole where its gravitational influence is negligible.

Question 12

Which of the following is not a recognized class of galaxies?

Accepted Answer

Closed

Answer

Elliptical

Answer

Spiral

Answer

Irregular

Question 13

Who is credited with formulating the theory of general relativity?

Accepted Answer

Albert Einstein

Answer

Sir Isaac Newton

Answer

Stephen Hawking

Answer

Carl Sagan

Question 14

Which layer of the Sun has the highest temperature?

Accepted Answer

Corona

Answer

Photosphere

Answer

Chromosphere

Answer

Core

Question 15

What is the name of the particle hypothesized to constitute dark matter?

Accepted Answer

WIMP

Answer

Higgs boson

Answer

Electron neutrino

Answer

Photon

Question 16

Which among the following celestial bodies is not a moon?

Accepted Answer

Pluto

Answer

Io

Answer

Ganymede

Answer

Europa

Question 17

What is the term for the phenomenon where distant objects appear redshifted, indicating their movement away from us?

Accepted Answer

Redshift

Answer

Blueshift

Answer

Cosmic microwave background

Answer

Gravitational lensing

Question 18

Which of the following constellations is a prominent sight in the Northern Hemisphere?

Accepted Answer

Ursa Major

Answer

Orion

Answer

Scorpius

Answer

Crux

Question 19

Name the space telescope that has revolutionized our understanding of the early universe.

Accepted Answer

James Webb Space Telescope

Answer

Hubble Space Telescope

Answer

Spitzer Space Telescope

Answer

Chandra X-ray Observatory

Question 20

What is the name of the force that binds the nucleus of an atom together?

Accepted Answer

Strong nuclear force

Answer

Electromagnetic force

Answer

Gravitational force

Answer

Weak nuclear force

Question 21

Which of the following is the most massive known black hole in the universe?

Accepted Answer

M87*

Answer

Sagittarius A*

Answer

TON 618

Answer

Cygnus X-1

Question 22

Which theory explains the origin and evolution of the universe?

Accepted Answer

Big Bang Theory

Answer

Steady State Theory

Answer

Inflation Theory

Answer

Multiverse Theory

Question 23

Which type of galaxy has a spiral shape and a central bulge?

Accepted Answer

Spiral galaxy

Answer

Elliptical galaxy

Answer

Lenticular galaxy

Answer

Irregular galaxy

Question 24

Which space telescope, launched by NASA in 1990, has provided groundbreaking images of the cosmos?

Accepted Answer

Hubble Space Telescope

Answer

Chandra X-ray Observatory

Answer

Kepler Space Telescope

Answer

James Webb Space Telescope

Question 25

Which unit is used to measure the brightness of stars?

Accepted Answer

Magnitude

Answer

Parsec

Answer

Hertzsprung-Russell diagram

Answer

Luminosity

Question 26

Which process do stars use to generate energy?

Accepted Answer

Nuclear fusion

Answer

Nuclear fission

Answer

Combustion

Answer

Photosynthesis

Question 27

Which type of extrasolar planet is characterized by its proximity to its host star and short orbital period?

Accepted Answer

Hot Jupiter

Answer

Water world

Answer

Super Earth

Answer

Rogue planet

Question 28

What is the outermost layer of the Sun's atmosphere called?

Accepted Answer

Corona

Answer

Photosphere

Answer

Chromosphere

Answer

Heliosphere

Question 29

Which of the following is confirmed to be the largest known star in the observable universe?

Accepted Answer

VY Canis Majoris

Answer

Betelgeuse

Answer

Rigel

Answer

Sirius

Question 30

Which scientific theory explains the origin and evolution of the universe, and is supported by the majority of scientific evidence?

Accepted Answer

Big Bang Theory

Answer

Steady State Theory

Answer

Quantum Theory

Answer

Theory of Relativity

Question 31

Which type of telescope is specifically designed to observe celestial objects in the infrared spectrum?

Accepted Answer

Infrared Telescope

Answer

Refracting Telescope

Answer

Reflecting Telescope

Answer

Radio Telescope

Question 32

What is the name of the supermassive black hole at the center of our galaxy, the Milky Way?

Accepted Answer

Sagittarius A*

Answer

Cygnus X-1

Answer

M87*

Answer

Event Horizon Telescope

Question 33

Which type of subatomic particle is a hypothetical candidate for explaining the existence and properties of dark matter?

Accepted Answer

WIMPs (Weakly Interacting Massive Particles)

Answer

Photon

Answer

Neutrino

Answer

Gluon

Question 34

Which is the largest planet in our solar system by diameter and mass?

Accepted Answer

Jupiter

Answer

Mercury

Answer

Venus

Answer

Mars

Question 35

Which type of cosmic event is characterized by the release of enormous amounts of energy, often associated with the death of massive stars?

Accepted Answer

Supernova

Answer

Solar Eclipse

Answer

Quasar

Answer

Aurora Borealis

Question 36

What is the name of the method used to measure the distances to celestial objects based on their apparent shift in position?

Accepted Answer

Parallax Method

Answer

Spectrometer

Answer

Interferometer

Answer

Doppler Shift

Question 37

Which fundamental force is primarily responsible for holding galaxies together?

Accepted Answer

Gravity

Answer

Electromagnetic Force

Answer

Strong Nuclear Force

Answer

Weak Nuclear Force

Question 38

Which mysterious cosmic component, despite remaining undetected, is believed to make up a significant portion of the universe's mass?

Accepted Answer

Dark Matter

Answer

Dark Energy

Answer

Intergalactic Dust

Answer

Gravitational Waves

Question 39

Which of the following is currently thought to be the largest known star in the universe?

Accepted Answer

VY Canis Majoris

Answer

Betelgeuse

Answer

Antares

Answer

Sirius

Question 40

What is the name of the supermassive black hole located at the center of our Milky Way galaxy?

Accepted Answer

Sagittarius A*

Answer

M87*

Answer

Cygnus X-1

Answer

V404 Cygni

Question 41

Which type of galaxy is characterized by a large amount of gas, dust, and active star formation?

Accepted Answer

Spiral galaxy

Answer

Elliptical galaxy

Answer

Irregular galaxy

Answer

Lenticular galaxy

Question 42

Which cosmological theory describes the idea that the universe began as a singularity and has been expanding ever since?

Accepted Answer

Big Bang theory

Answer

Steady-state theory

Answer

Copernican theory

Answer

Einstein's theory of relativity

Question 43

What was the name of the first crewed mission to land humans on the Moon?

Accepted Answer

Apollo 11

Answer

Voyager 1

Answer

Hubble Space Telescope

Answer

International Space Station

Question 44

Which type of electromagnetic radiation has the shortest wavelength and the highest energy?

Accepted Answer

Gamma rays

Answer

X-rays

Answer

Ultraviolet rays

Answer

Infrared rays

Question 45

Which law describes the inverse relationship between the intensity of light received from a star and the square of the distance from the star?

Accepted Answer

Inverse square law

Answer

Law of conservation of energy

Answer

Law of gravitation

Answer

Doppler effect

Question 46

Which instrument is primarily used by astronomers to collect and analyze data from celestial objects?

Accepted Answer

Telescope

Answer

Microscope

Answer

Spectrometer

Answer

Radar

Question 47

What is the hypothetical particle that is thought to be a candidate for dark matter, which is believed to make up a significant portion of the universe?

Accepted Answer

WIMP (Weakly Interacting Massive Particle)

Answer

Boson

Answer

Fermion

Answer

Lepton

Question 48

Which of the following black holes is currently recognized as the most massive in the known universe?

Accepted Answer

TON 618

Answer

M87

Answer

Sagittarius A*

Question 49

To which classification of galaxies does our Milky Way belong?

Accepted Answer

Spiral galaxy

Answer

Globular cluster

Answer

Elliptical galaxy

Answer

Nebula

Question 50

Which scientific theory describes the origin and evolution of the universe according to the prevailing scientific consensus?

Accepted Answer

Big Bang theory

Answer

Oscillating universe theory

Answer

Creation theory

Answer

Steady state theory

Question 51

Which star is known to be the closest to our solar system?

Accepted Answer

Proxima Centauri

Answer

Polaris

Answer

Sirius

Answer

Betelgeuse

Question 52

Who was the scientist who first proposed the heliocentric model of the Solar System, challenging the prevailing geocentric view?

Accepted Answer

Nicolaus Copernicus

Answer

Isaac Newton

Answer

Galileo Galilei

Answer

Johannes Kepler

Question 53

Which planet in our Solar System is known for its distinctive reddish appearance?

Accepted Answer

Mars

Answer

Jupiter

Answer

Venus

Answer

Uranus

Question 54

What is the fundamental force responsible for the attraction between objects in the universe?

Accepted Answer

Gravitational force

Answer

Electromagnetic force

Answer

Strong nuclear force

Question 55

What is the name of the scientific instrument used by astronomers to analyze the chemical composition of celestial objects by examining their emitted light?

Accepted Answer

Spectroscope

Answer

Microscope

Answer

Radiometer

Answer

Telescope