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WorksheetsMilky Way Galaxy
Total questions: 16
Worksheet time: 8mins
Younger stars that orbit the galactic bulge are located in the
Halo regions.
galactic disk.
galactic bulge.
density waves.
The area of the galaxy that has the most dense stars surrounding a supermassive black hole.
Halo region
galactic bulge
galactic disk
spiral density arms
The area where faint, old stars exists that surrounds the disk & bulge.
Halo region
galactic bulge
galactic disk
spiral density regions
Our Sun and solar system are located
near the edge of the Milky Way.
about 2/3 from the center of the Milky Way.
near the middle of the Milky Way.
near the galactic bulge.
The ancient Greeks named the Milky Way after comparing it to
a Greek god.
the candy bar.
a milky white river.
an ancient galaxy that existed a long time ago.
The Milky Way measures ____ light years in length.
26,000
1 million
1000
100 thousand
The Milky Way only measures about ____ light years in thickness.
100
100,000
1000
1 million
Figuring out what the Milky Way looks like is difficult because
we live outside of it.
it is impossible to send a space probe that far.
we live inside of it.
it is full of dark matter.
The Milky Way galaxy is thought to be a(n)
spiral galaxy
barred spiral galaxy.
elliptical galaxy.
irregular galaxy.
Our Sun and solar system lies within the ____ arm of the Milky Way galaxy.
Cygnus
Perseus
Sagittarius
Orion
Astronomers use the period-luminosity of variable stars to help
determine the age of our galaxy.
determine galactic distances.
determine the size of our galaxy.
discover supernovae.
How many major spiral arms are in the Milky Way Galaxy?
one
two
three
four
The elongated, roughly cylindrical bar at the center of our galaxy is composed mostly of ___
young blue stars
old blue stars
young red stars
old red stars
Early maps of the galaxy, which placed the Sun near the center, didn't account for ___
black holes
interstellar dust
globular clusters
neutron stars
What "spherical balls of stars" helped determine that the Sun wasn't at the center of the galaxy?
globular clusters
Magellanic clouds
open clusters
ball nebula
From inside the Milky Way we see it as a broad line in the sky with a central bulge in the direction of ___
Sagittarius
Cygnus
Orion
Ursa Major
