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Computer Science 7 Online
OpenStudy (anonymous):

The light from Andromeda galaxy takes about 2.6 million years to reach Earth. Which of these statements is correct about the Andromeda galaxy? A)Its located at a distance of 2.6 million light years from Earth. B)it has to travel a distance of 2.6 million kilometers to reach earth. C)it can be photographed by a space telescope in 2.6 million years. D)it has to move at the rate of 2.6 million kilometers per hour to reach earth.

OpenStudy (mathmate):

Hint: (from Wiki) A light-year (abbreviation: ly), sometimes written light year,[2] is a unit of length used informally to express astronomical distances.

OpenStudy (anonymous):

Thank you so much! @mathmate

OpenStudy (mathmate):

You're welcome! :)

OpenStudy (anonymous):

:)

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