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IS THE MILKY WAY?
time you visited another universe, you might have
There are millions of other clusters of stars of different sizes and shapes scattered throughout the universe. These clusters are called galaxies.
Ask your teacher to show you an illustration of the face and end views of a spiral galaxy. The sun is one star within the picture. Locate its general position.
the Milky Way is the view we see when we look
We're IN the Milky Way? That's news to me!
Concise Columbia Encyclopedia discusses "galaxy,"
The Milky Way contains about 100 billion stars, including the sun. It is characterized by a central nucleus of closely packed stars, and a flat disk marked by spiral arms. The disk is about 100,000 light-years in diameter and on the average, 10,000 light-years thick (increasing up to 30,000 light-years at the nucleus). Surely you brilliant math students can convert that to miles so we can have an idea as to how far we would have to go to travel around it.
The sun is
about 30,000 light-years from the nucleus, and
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