What is the largest known structure in the universe?
a) Galaxy
b) Supercluster
c) Star
d) Nebula
Which theory suggests the universe began with a big explosion?
a) Steady State Theory
b) Big Bang Theory
c) Quantum Theory
d) Relativity Theory
What is the most abundant element in the universe?
a) Oxygen
b) Hydrogen
c) Helium
d) Carbon
What is a galaxy made up of?
a) Planets only
b) Stars, gas, and dust
c) Solar systems
d) Black holes only
What is the Milky Way?
a) A star
b) A galaxy
c) A planet
d) A nebula
Which galaxy is closest to the Milky Way?
a) Andromeda Galaxy
b) Triangulum Galaxy
c) Sombrero Galaxy
d) Whirlpool Galaxy
What is the estimated age of the universe?
a) 1 million years
b) 13.8 billion years
c) 4.5 billion years
d) 100 billion years
What is the term for a large collection of stars, gas, and dust bound together by gravity?
a) Star system
b) Solar system
c) Galaxy
d) Nebula
What is the observable universe?
a) The part of the universe we can observe using telescopes
b) The entire universe including dark matter
c) The universe before the Big Bang
d) The unobservable space between galaxies
What is dark matter believed to do?
a) Emit light
b) Influence the structure of the universe
c) Make up most of the matter in stars
d) Only affect black holes
Which of the following is the largest galaxy in the known universe?
a) Milky Way
b) Andromeda
c) IC 1101
d) Whirlpool
What are galaxy clusters?
a) A group of stars within a galaxy
b) A collection of solar systems
c) Groups of galaxies bound by gravity
d) A type of star formation
What is the approximate size of the observable universe?
a) 100 million light-years
b) 10 billion light-years
c) 93 billion light-years
d) 200 million light-years
What is a nebula?
a) A star
b) A planet
c) A cloud of gas and dust in space
d) A black hole
What is a black hole?
a) A type of star
b) A dense region in space where gravity is so strong that nothing can escape
c) A dark galaxy
d) A collapsing star
What is the term for the universe’s expansion?
a) Big Crunch
b) Big Rip
c) Cosmic Inflation
d) Big Bang
What is the cosmic microwave background radiation?
a) Radiation from stars
b) The heat left over from the Big Bang
c) A type of cosmic light
d) Radiation from dark matter
What is the shape of the universe?
a) Flat
b) Spherical
c) Cylindrical
d) Torus-shaped
What is the term for a region of space with no matter or light?
a) Black hole
b) Singularity
c) Void
d) Nebula
What is the estimated size of the Milky Way galaxy?
a) 50,000 light-years
b) 100,000 light-years
c) 200,000 light-years
d) 1 million light-years
What do we call the point in space-time where gravity is so strong that not even light can escape?
a) White hole
b) Black hole
c) Event horizon
d) Wormhole
What is the main cause of the universe’s expansion?
a) Gravitational pull
b) Dark matter
c) Dark energy
d) Stellar wind
What is the term for the idea that the universe began from an infinitely small point?
a) Quantum theory
b) The multiverse theory
c) The Big Bang theory
d) String theory
What do we call a galaxy with an active galactic nucleus that emits large amounts of energy?
a) Quasar
b) Nebula
c) Supernova
d) Star cluster
What is the most distant object observed in the universe?
a) Black hole
b) Star
c) Galaxy
d) Quasar
What does the term “light-year” measure?
a) The time it takes light to reach a star
b) The distance light travels in one year
c) The brightness of a star
d) The speed of light
Which galaxy is known as the “Nearest Major Galaxy” to the Milky Way?
a) Andromeda
b) Triangulum
c) Sombrero
d) Whirlpool
What is the largest scale structure of the universe?
a) Solar system
b) Star cluster
c) Supercluster
d) Black hole
What is the “Observable Universe”?
a) The part of the universe that can be seen with the naked eye
b) The entire universe
c) The part of the universe we can observe with telescopes
d) The portion of the universe that is closest to Earth
Which of these is an example of a galactic cluster?
a) The Local Group
b) Milky Way
c) The Big Bang
d) Solar system
Which galaxy is the closest to the Milky Way?
a) Triangulum Galaxy
b) Andromeda Galaxy
c) Sombrero Galaxy
d) Messier 87
