Twilight - On Other Planets

On Other Planets

Twilight on Mars is longer than on Earth, lasting for up to two hours before sunrise or after sunset. Dust high in the atmosphere scatters light to the night side of the planet. Similar twilights are seen on Earth following major volcanic eruptions.

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Famous quotes containing the word planets:

    “Perhaps when distant people on other planets pick up some wave-length of ours all they hear is a continuous scream.”
    —Iris Murdoch (b. 1919)