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The football-field sized holes were observed by Mars Odyssey's Thermal Emission Imaging System (THEMIS) and have been dubbed the seven sisters --Dena, Chloe, Wendy, Annie, Abbey, Nikki and Jeanne--after loved ones of the researchers who found them. The potential caves were spotted near a massive Martian volcano, Arisa Mons. Their openings range from about 330 to 820 feet (100 to 250 meters) wide, and one of them, Dena, is thought to extend nearly 430 feet (130 meters) beneath the planet's surface.
Originally posted by 2PacSade
What a story. . . This could prove to be an incredible find. If there's water down there, which most cave's possess, then there may still be life there also!
Originally posted by carewemust
The big question in my mind is how do we get into the cave for samples? If a rover were there, we'd lose the signal when it entered. Didn't President Bush call for a manned expedition to Mars about 3 years ago? Now would be a good time to turn that project into high gear. Also, I'm surprised that one of our ATS planet researchers didn't find the caves first. In the immediate term (until we get someone up there on Mars to enter the caves), the photos we've seen here on ATS already will probably yield better evidence of present/past life on the Red Planet.
Originally posted by JackCash
protection or living quarters for manned trips to mars.