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A scientist studies the light from a distant galaxy. the light from the galaxy shows a shift to longer wavelengths. what can the scientist conclude about the galaxy? A. The galaxy is orbiting faster than
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A scientist studies the light from a distant galaxy. the light from the galaxy shows a shift to longer wavelengths. what can the scientist conclude about the galaxy?

A. The galaxy is orbiting faster than the Milky Way
B. The galaxy is moving closer to Earth
C. The galaxy is stationary in the universe
D. the galaxy is moving farther away from Earth

User Crypdick
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The shift of light toward longer wavelengths indicates that most galaxies are moving away from Earth. More powerful telescopes have made observations of planets orbiting stars other than the Sun.

User Abdulbasit
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