What is the Andromeda Galaxy also known as?
A) M31
B) M51
C) M87
D) M101
Answer: A) M31
Approximately how many light-years away is the Andromeda Galaxy from Earth?
A) 2 million
B) 25 million
C) 100 million
D) 2.5 billion
Answer: B) 25 million
Which constellation does the Andromeda Galaxy belong to?
A) Orion
B) Ursa Major
C) Andromeda
D) Pegasus
Answer: C) Andromeda
What type of galaxy is the Andromeda Galaxy?
A) Elliptical
B) Spiral
C) Irregular
D) Lenticular
Answer: B) Spiral
Who was the first to observe the Andromeda Galaxy using a telescope?
A) Galileo Galilei
B) Edwin Hubble
C) William Herschel
D) Nicolaus Copernicus
Answer: C) William Herschel
The Andromeda Galaxy is part of which group of galaxies?
A) Local Group
B) Virgo Cluster
C) Coma Supercluster
D) Hydra-Centaurus Supercluster
Answer: A) Local Group
Which Greek mythological figure is the Andromeda Galaxy named after?
A) A nymph
B) A goddess
C) A hero
D) A monster
Answer: A) A nymph
What is the diameter of the Andromeda Galaxy?
A) 100,000 light-years
B) 250,000 light-years
C) 500,000 light-years
D) 1 million light-years
Answer: A) 100,000 light-years
Which type of stars are abundant in the Andromeda Galaxy?
A) Red dwarfs
B) Blue giants
C) Yellow dwarfs
D) Red giants
Answer: D) Red giants
What is the dominant gas composition in the Andromeda Galaxy?
A) Hydrogen
B) Helium
C) Oxygen
D) Nitrogen
Answer: A) Hydrogen
The Andromeda Galaxy is approaching the Milky Way at a speed of about __________.
A) 50 km/s
B) 100 km/s
C) 300 km/s
D) 500 km/s
Answer: C) 300 km/s
What is the approximate mass of the Andromeda Galaxy?
A) 100 billion solar masses
B) 1 trillion solar masses
C) 10 trillion solar masses
D) 100 trillion solar masses
Answer: B) 1 trillion solar masses
Which astronomer discovered the first Cepheid variable star in the Andromeda Galaxy?
A) Edwin Hubble
B) Henrietta Swan Leavitt
C) William Herschel
D) Carl Sagan
Answer: B) Henrietta Swan Leavitt
The Andromeda Galaxy has a prominent __________ nucleus.
A) Red
B) Blue
C) Green
D) Yellow
Answer: A) Red
What is the estimated number of stars in the Andromeda Galaxy?
A) 100 billion
B) 400 billion
C) 1 trillion
D) 2 trillion
Answer: B) 400 billion
What is the most likely fate of the Andromeda Galaxy and the Milky Way?
A) Collision and merger
B) Stable orbit
C) Drift apart
D) Supernova explosion
Answer: A) Collision and merger
The Andromeda Galaxy was first cataloged by ___________.
A) Charles Messier
B) Johannes Kepler
C) Tycho Brahe
D) Edwin Hubble
Answer: A) Charles Messier
How old is the Andromeda Galaxy believed to be?
A) 2 billion years
B) 5 billion years
C) 10 billion years
D) 13 billion years
Answer: C) 10 billion years
What is the shape of the spiral arms in the Andromeda Galaxy?
A) Tight and compact
B) Loose and diffuse
C) Symmetrical and even
D) Disrupted and irregular
Answer: A) Tight and compact
The Andromeda Galaxy contains a number of ___________.
A) Black holes
B) Planetary systems
C) Dark matter halos
D) Stellar nurseries
Answer: A) Black holes
The Andromeda Galaxy was first described by which ancient astronomer?
A) Ptolemy
B) Aristotle
C) Hipparchus
D) Aristarchus
Answer: A) Ptolemy
How many known dwarf galaxies orbit the Andromeda Galaxy?
A) None
B) One
C) Two
D) Several dozen
Answer: D) Several dozen
What is the dominant color of the stars in the Andromeda Galaxy?
A) Red
B) Blue
C) Yellow
D) White
Answer: B) Blue
The Andromeda Galaxy is visible to the naked eye from ____________.
A) All latitudes
B) Northern latitudes
C) Southern latitudes
D) Equatorial latitudes
Answer: B) Northern latitudes
The Andromeda Galaxy is named after the princess Andromeda from ___________ mythology.
A) Greek
B) Roman
C) Egyptian
D) Norse
Answer: A) Greek
How many globular clusters does the Andromeda Galaxy contain?
A) 100
B) 200
C) 400
D) 500
Answer: C) 400
The Andromeda Galaxy is the __________ galaxy from Earth.
A) Closest
B) Farthest
C) Largest
D) Smallest
Answer: A) Closest
What is the central bulge of the Andromeda Galaxy primarily composed of?
A) Old stars
B) Young stars
C) Gas and dust
D) Dark matter
Answer: A) Old stars
The Andromeda Galaxy is part of the __________ Local Group.
A) Smallest
B) Largest
C) Intermediate-sized
D) Distant
Answer: C) Intermediate-sized
What is the distance between the Andromeda Galaxy and the Milky Way expected to be when they collide?
A) 100,000 light-years
B) 500,000 light-years
C) 2 million light-years
D) 4 million light-years
Answer: A) 100,000 light-years
What is the approximate diameter of the Andromeda Galaxy’s central bulge?
A) 5,000 light-years
B) 10,000 light-years
C) 20,000 light-years
D) 30,000 light-years
Answer: B) 10,000 light-years
The Andromeda Galaxy contains a prominent ____________.
A) Black hole
B) Supernova
C) Nebula
D) Star cluster
Answer: A) Black hole
How many satellite galaxies does the Andromeda Galaxy have?
A) 10
B) 20
C) 30
D) 40
Answer: D) 40
What is the primary method used to measure the distance to the Andromeda Galaxy?
A) Parallax
B) Redshift
C) Standard candles
D) Supernova explosions
Answer: C) Standard candles
The Andromeda Galaxy is named after __________.
A) A Greek goddess
B) A Roman emperor
C) A constellation
D) A mythological character
Answer: D) A mythological character
Which type of stars are abundant in the Andromeda Galaxy’s spiral arms?
A) Red dwarfs
B) Blue giants
C) Yellow dwarfs
D) Red giants
Answer: B) Blue giants
How many known supernova remnants are there in the Andromeda Galaxy?
A) None
B) One
C) Two
D) Several dozen
Answer: D) Several dozen
What is the Andromeda Galaxy’s visual magnitude?
A) 3.4
B) 4.3
C) 5.1
D) 6.9
Answer: B) 4.3
The Andromeda Galaxy’s diameter is about _________ times that of the Milky Way.
A) 1.5
B) 2
C) 2.5
D) 3
Answer: A) 1.5
Which type of stars are less common in the Andromeda Galaxy compared to the Milky Way?
A) Red giants
B) Yellow dwarfs
C) Blue giants
D) Red dwarfs
Answer: D) Red dwarfs
What is the approximate age of the Andromeda Galaxy?
A) 5 billion years
B) 8 billion years
C) 10 billion years
D) 13 billion years
Answer: C) 10 billion years
Which type of stars dominate the outer regions of the Andromeda Galaxy?
A) Red dwarfs
B) Blue giants
C) Yellow dwarfs
D) Red giants
Answer: A) Red dwarfs
The Andromeda Galaxy has a significant number of ____________.
A) Globular clusters
B) Open clusters
C) Planetary nebulae
D) Interstellar clouds
Answer: A) Globular clusters
What is the approximate number of stars in the Andromeda Galaxy’s central bulge?
A) Millions
B) Billions
C) Trillions
D) Quadrillions
Answer: B) Billions
The Andromeda Galaxy was first described by which ancient Greek astronomer?
A) Aristotle
B) Ptolemy
C) Eratosthenes
D) Hipparchus
Answer: B) Ptolemy
Which of the following is NOT a feature of the Andromeda Galaxy?
A) Bar structure
B) Central bulge
C) Spiral arms
D) Elliptical shape
Answer: D) Elliptical shape
The Andromeda Galaxy’s satellite galaxies include __________.
A) M32 and M110
B) M51 and M81
C) M104 and M87
D) M1 and M13
Answer: A) M32 and M110
The Andromeda Galaxy is visible to the naked eye from Earth’s ____________.
A) Northern Hemisphere
B) Southern Hemisphere
C) Equator
D) Both Northern and Southern Hemispheres
Answer: A) Northern Hemisphere
The Andromeda Galaxy is surrounded by a vast halo of ___________.
A) Interstellar dust
B) Dark matter
C) Gas clouds
D) Star clusters
Answer: B) Dark matter
Which of the following is NOT a type of radiation emitted by the Andromeda Galaxy?
A) Radio waves
B) Infrared radiation
C) Gamma rays
D) Ultraviolet radiation
Answer: C) Gamma rays
