physics question ,what is length of galaxy?
Answer (1)
10th Feb, 2020
HELLO JAY
SInce you did not mention which galaxy let us assume it to be our home galaxy that is milky way galaxy
it is about 1000000 light years across
1 light year is defined as the distance travelled by light in vacuum in 1 year which comes approximately equal to 10 trillion kilometres.
so therefor just multiply 1000000 x 10 trillion which will give you the size of our milky way galaxy!!
HOPE IT HELPS!!
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