A type IA supernova is measured to be 56000 light-years from the
center of its barred spiral galaxy. This is about halfway between
the center and edge of the disc. At the same time, the supernova's
orbital period around the center of the galaxy is measured to be
230 million years. Approximately how many stars are in the galaxy?
Assume an average star in the galaxy is the mass the sun.
Group of answer choices
8 billion
80 trillion
4 billion
400 million
800 billion
A type IA supernova is measured to be 56000 light-years from the center of its barred spiral galaxy. This is about halfw
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A type IA supernova is measured to be 56000 light-years from the center of its barred spiral galaxy. This is about halfw
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