Dark Streaks

Some articles on dark streaks, streaks, dark:

Arcadia Quadrangle - Dark Slope Streaks
... Many places on Mars show dark streaks on steep slopes like crater walls ... It seems that the youngest streaks are dark then they become lighter with age ... Several ideas have been advanced to explain the streaks ...

Famous quotes containing the words streaks and/or dark:

    The west yet glimmers with some streaks of day.
    Now spurs the lated traveller apace
    To gain the timely inn.
    William Shakespeare (1564–1616)

    There dwell the children of the dark Night, the dread gods Sleep and Death.
    Hesiod (c. 8th century B.C.)