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7 years ago
The Martian valley Valles Marineris is shown in Fig. 7-22, Comins and Kaufmann,  Discovering the Universe, 7th Ed. How long is this valley in terms of Earth-bound distances?
A)   Half the length of the Earth's equator, about 20,000 km
B)   About 50 km, a significant distance on this small planet
C)   A few hundred kilometers; New York to Washington, D.C.
D)   The full width of the North American continent at mid-latitudes, a few thousand kilometers
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Discovering the Universe

Discovering the Universe


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staedtler Author
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7 years ago
On behalf of my study group and I, thank you
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