Why is Mars so red? (Forwarded)

ESA News
http://www.esa.int

5 Dec 2003

Why is Mars so red?

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Why is Mars so red?

For the same reason that the earth is red.

You say the earth isn't red? Strip away our oceans,
our vegetation, and most of our atmosphere, and
look again.

Ben

You ever been to Arizona????
IT IS RED!


"BHZellner" wrote in message
...
Why is Mars so red?

For the same reason that the earth is red.

You say the earth isn't red? Strip away our oceans,
our vegetation, and most of our atmosphere, and
look again.

Ben

Actually, isn't the interesting question "why is Mars so red, given that
it doesn't have the warm wet oxidising atmosphere that makes everything
rust on Earth ?". We have red soil in Devon, too.

In message , Mark
writes
You ever been to Arizona????
IT IS RED!


"BHZellner" wrote in message
...
Why is Mars so red?

For the same reason that the earth is red.

You say the earth isn't red? Strip away our oceans,
our vegetation, and most of our atmosphere, and
look again.

Ben




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On Tue, 9 Dec 2003 08:24:39 +0000, Jonathan Silverlight
wrote:

Actually, isn't the interesting question "why is Mars so red, given that
it doesn't have the warm wet oxidising atmosphere that makes everything
rust on Earth ?"

Given time, iron will combine with oxygen even in the absence of
water.

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