The Tiny Ripples in the Background Radiation COBE Found Are

question 118

Multiple Choice

The tiny ripples in the background radiation COBE found are due to

• A) different velocities of the edge of the universe.
• B) variations in the speed of different wavelengths of light.
• C) a gravitational redshift caused by growing dark clumps.
• D) bubble- like nature of space.
• E) reddening by interstellar dust clouds in our galaxy.

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