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Scientists estimate that the Milky Way contains hundreds of ___ (#) of individual stars.
orbit around the center bulge
halo
irregular
hydrogen gas
Universe
Andromeda Galaxy
spiral
thousands
The ___ is the Milky Way Galaxy's closest neighbor (at 2.5 million light years away).
orbit around the center bulge
halo
irregular
hydrogen gas
Universe
Andromeda Galaxy
spiral
thousands
The ___ is the far-out, cloud-like part of a spiral galaxy where clusters of stars are scattered very far apart.
orbit around the center bulge
halo
irregular
hydrogen gas
Universe
Andromeda Galaxy
spiral
thousands
The ___ is everything that exists - EVERYTHING we know.
orbit around the center bulge
halo
irregular
hydrogen gas
Universe
Andromeda Galaxy
spiral
thousands
After a galaxy uses up all of its ___, no new stars can form.
orbit around the center bulge
halo
irregular
hydrogen gas
Universe
Andromeda Galaxy
spiral
thousands
The Milky Way is a ___ type galaxy.
orbit around the center bulge
halo
irregular
hydrogen gas
Universe
Andromeda Galaxy
spiral
thousands
A ___ galaxy that has an odd or unusual shape.
orbit around the center bulge
halo
irregular
hydrogen gas
Universe
Andromeda Galaxy
spiral
thousands
Stars in the disc/arms of a spiral galaxy ___.
orbit around the center bulge
halo
irregular
hydrogen gas
Universe
Andromeda Galaxy
spiral
thousands
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