What is the name of the galaxy that contains the Great Attractor, a region of mass that influences the motion of galaxies in its vicinity?
Milky Way Galaxy
Andromeda Galaxy
Centaurus A Galaxy
Maffei 1
25 practice sets · Page 1 of 2
What is the name of the galaxy that contains the Great Attractor, a region of mass that influences the motion of galaxies in its vicinity?
Milky Way Galaxy
Andromeda Galaxy
Centaurus A Galaxy
Maffei 1
What is the Hubble sequence?
A classification scheme for galaxies based on their apparent brightness
A classification scheme for galaxies based on their shape and structure
A model describing the expansion of the universe
A theory explaining the formation of galaxies
What is the name of the galaxy that contains the Milky Way's nearest neighbor, the Canis Major Dwarf Galaxy?
Milky Way Galaxy
Andromeda Galaxy
Triangulum Galaxy
Sagittarius Dwarf Irregular Galaxy
Which galaxy is often referred to as the "Cigar Galaxy" due to its elongated shape?
Milky Way Galaxy
Andromeda Galaxy
Sombrero Galaxy
Messier 82
What is the primary source of energy that powers most galaxies?
Nuclear fusion in stars
Gravitational collapse
Radioactive decay
Dark energy
What is the estimated age of the Milky Way Galaxy?
1 billion years
5 billion years
10 billion years
13.6 billion years
What is the name of the galaxy that contains the supermassive black hole photographed by the Event Horizon Telescope?
Milky Way Galaxy
Andromeda Galaxy
Triangulum Galaxy
M87 Galaxy
What is a dwarf galaxy?
A galaxy with a small diameter
A galaxy that emits little or no light
A galaxy that contains mostly dark matter
A small, dim galaxy with fewer stars compared to larger galaxies
Which galaxy is famous for its prominent ring of bright, young stars surrounding its core?
Sombrero Galaxy
Whirlpool Galaxy
Cartwheel Galaxy
Pinwheel Galaxy
What is the name of the galaxy that collided with the Milky Way in the past and is currently merging with it?
Triangulum Galaxy
Andromeda Galaxy
Small Magellanic Cloud
Sagittarius Dwarf Spheroidal Galaxy
What is a quasar?
A type of galaxy with a bar-shaped center
A galaxy that emits intense radiation from an active galactic nucleus
A small, dense region at the center of a galaxy
A group of galaxies bound together by gravity
What is the name of the nearest galaxy to the Milky Way in the Local Group?
Andromeda Galaxy
Triangulum Galaxy
Large Magellanic Cloud
Small Magellanic Cloud
Which type of galaxy appears to have a spherical or oval shape?
Elliptical galaxy
Spiral galaxy
Irregular galaxy
Lenticular galaxy
What is the approximate diameter of the Milky Way Galaxy?
10,000 light-years
100,000 light-years
1 million light-years
10 million light-years
What is the name of the galaxy cluster to which the Milky Way belongs?
Local Group
Virgo Cluster
Coma Cluster
Hydra-Centaurus Supercluster
Which galaxy is known for its distinctive "bar" shape across its center?
Andromeda Galaxy
Milky Way Galaxy
Whirlpool Galaxy
Sombrero Galaxy
What is the estimated number of galaxies in the observable universe?
Hundreds
Thousands
Millions
Billions
What is the name of the supermassive black hole at the center of the Milky Way Galaxy?
Sagittarius A*
Cygnus X-1
V404 Cygni
M87*
Which type of galaxy has no definite shape and often contains large regions of active star formation?
Elliptical galaxy
Spiral galaxy
Irregular galaxy
Lenticular galaxy
What is the largest type of galaxy in terms of mass?
Elliptical galaxy
Spiral galaxy
Irregular galaxy
Lenticular galaxy