planet with old dried up river valleys?

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planet with old dried up river valleys?

2006-06-13 12:24:18 · 6 answers · asked by mod1991 2 in Science & Mathematics ➔ Astronomy & Space

6 answers

Earth has many old dried up river valleys.

2006-06-13 13:02:00 · answer #1 · answered by Anonymous · 0⤊ 2⤋

Definately mars, scientists think water may have existed there once, and may still be trapped in the ice caps. These channels and wrinkles on mars's surface do look a lot like dried river beds.

2006-06-13 14:46:39 · answer #2 · answered by Anonymous · 0⤊ 0⤋

Mars and Earth are the only ones in this system.

2006-06-13 13:08:24 · answer #3 · answered by Anonymous · 0⤊ 0⤋

Uranus?

2006-06-13 12:27:16 · answer #4 · answered by suga coatz 3 · 0⤊ 0⤋

mars

2006-06-13 12:30:31 · answer #5 · answered by starchild8072 2 · 0⤊ 0⤋

mars ?

2006-06-13 12:40:07 · answer #6 · answered by ? 4 · 0⤊ 0⤋