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Why do lunar eclipses appear red or brown?

March 12, 2008 1:29:08 PM PDT
A total lunar eclipse occurs when the Moon is in the Earth's shadow. No sunlight is directly shining on the Moon.

Erica's Answer:

However, some of the sun's light waves still make it to the Moon, and those waves are reflected back toward the Earth. We see this light from the moon as red or brown in color because of the dust and other small debris in our atmosphere that filter the whitish light of the Moon before it reaches our eye.

- Erica


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