'Cave entrances' spotted on Mars

This seems to be a great week for discoveries on Mars.

(BBC)-Scientists studying pictures from Nasa's Odyssey spacecraft have spotted what they think may be seven caves on the surface of Mars.

news.bbc.co.uk...

The candidate caves are on the flanks of the Arsia Mons volcano and are of sufficient depth their floors mostly cannot be seen through the opening.

news.bbc.co.uk...

The caves may be the only natural structures capable of protecting primitive life forms from micrometeoroids, UV radiation, solar flares and high energy particles that bombard the planet's surface.

news.bbc.co.uk...

The authors say that the possible discovery of caves on the Red Planet is significant.

news.bbc.co.uk...

Full story here
news.bbc.co.uk...

Just watch, they probably won't send anything to explore them.
Maybe because "they" already know they are there?

This topic has already been reported on, several hours previous to the creation of this thread.

It can be found here.
Anyone Fancy Going Caving On Mars?!!

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