When in Total Lunar Eclipse, the Moon Shows a Reddish

question 370

Multiple Choice

When in total lunar eclipse, the Moon shows a reddish color because

• A) the Moon is illuminated only by the residual glow from the dark side of Earth, which is predominantly red.
• B) only the red part of the solar spectrum is deflected onto it by Earth's atmosphere.
• C) the red light is the residual thermal glow from a still-warm Moon, after the abrupt removal of the heat of the Sun.
• D) light from the northern and southern lights (the aurora) on Earth, which are predominantly red, illuminates the Moon.

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Definitions:

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