If we use 1 millimeter to represent 1 light-year,how large in diameter is the Milky Way Galaxy?
A)100 millimeters
B)100 meters
C)1 kilometer
D)100 kilometers
E)1 million millimeters

Question

Quizplus · Accepted Answer

The Milky Way Galaxy is about 100,000 light-years in diameter. If 1 millimeter represents 1 light-year, then the Milky Way would be 100,000 millimeters in diameter, which is equal to 100 meters.

If We Use 1 Millimeter to Represent 1 Light-Year,how Large