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Physics, 22.04.2020 07:22 Duckkkkkkkk
A star is estimated to be 4.8 km away from the earth. When we see this star in the night sky how old is the image. Let the speed of light c=3.00 x10^8 m/s.
A. 88 years
B. 500 years
C. 7800 years
D. 16 months
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A star is estimated to be 4.8 km away from the earth. When we see this star in the night sky how old...
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