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erma4kov [3.2K]
3 years ago
9

We estimate the mass of the galaxy by observations of its ________ curve.

Physics
1 answer:
seropon [69]3 years ago
8 0
The appropriate response is the rotation. There are most likely no less than 100 billion planets in the Milky Way. The Solar System is situated inside the circle, around 26,000 light-years from the Galactic Center, on the inward edge of one of the winding molded centralizations of gas and tidies called the Orion Arm.
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