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Mathematics, 31.08.2019 03:30 aprilkenedy12
Alight-year is 9.5 × 10 ^ 12 km. the diameter of the milky way galaxy is estimated to be 100,000 light-years.
a. what is the diameter of the milky way in kilometers?
b. the speed of light is about 3 × 10^8 m/s. what is the speed of light in kilometers
per hour?
c. about how many days would it take light to travel across the milky way?
d. about how many years would it take light to travel across the milky way?
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Alight-year is 9.5 × 10 ^ 12 km. the diameter of the milky way galaxy is estimated to be 100,000 lig...
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