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WorksheetsThe Milky Way
Total questions: 11
Worksheet time: 6mins
How many stars are there in the Milky Way?
100 Billion
Between 200 and 400 Billion
Too many to ever really know
Between 200 and 400 Million
According to the most recent survey of the galaxy's size, how big is the Milky Way?
100,000 parsecs in radius
100,000 light years in circumference
200,000 light years in diameter
200,000 parsecs in radius
According to our most accurate estimation, how old is the Milky Way?
13 million years old
13 billion years old
13 trillion years old
Its not the years, its the mileage...
How do we know that the Milky Way is a flat disk?
Because we see more stars near the plane of the galaxy than perpendicular to it
Because our furthest reaching probes have taken images of the galaxy from just outside it
Because we see more stars perpendicular to the plane of the galaxy than toward the middle
We don't because it is a spherical galaxy
Which astronomer first attempted to map the Milky Way galaxy?
William Herschel
Johannes Kepler
William Riker
William Hershey
Which ancient peoples first coined the term "milky way?"
The Anasazi
The Romans
The Greeks
The Egyptians
Which galaxy will the Milky Way merge with in about 5 billion years?
The Pegasus galaxy
The large Magellanic cloud
The Sagittarius Dwarf galaxy
The Andromeda galaxy
What is the name of the object in the center of the Milky Way?
Sagittarius A
Sagittarius A*
Sagittarius A#
Sagittarius A^
Approximately how long does it take for our solar system to complete one orbit around the Milky Way?
250 Billion years
250 Million years
250 parsecs
We don't know, it hasn't completed an orbit yet
What is the name of the region around outside of the milky way?
The disc
The bulge
The halo
The expanse
Where do we find the densest region of stars within the Milky Way?
The bulge
The disk
The halo
They are evenly distributed
