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How wide is your Milky Way?

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Anonymous

14y ago
Updated: 8/18/2019

The estimated/calculated diameter of the Milky Way is approximately 100,000 light-years across. Since a light-year is about 6,000,000,000,000 (six trillion) miles (the distance light can travel from one point to another in a year), the light-year is used as a unit of astronomical distance to cut down on the ponderous number of zeros you have to use if you express such distances in miles.

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Wiki User

14y ago

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