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'Hole on Mars' discovered


Posted on Saturday, 21 July, 2012 | Comment icon 35 comments | News tip by: Still Waters


Image credit: NASA

 
NASA's Mars Reconnaissance Orbiter has snapped a photograph of a strange hole on the Red Planet.

The hole is about 35m across and opens in to an underground cavern, one of many thought to exist below the surface. The nature of the crater surrounding the hole has been a topic of much debate, as has the cave system beneath it.

Caves on Mars are of particular interest to scientists because the relatively sheltered environment could be a good place to look for evidence of life.

"What created this unusual hole in Mars? The hole was discovered by chance on images of the dusty slopes of Mars' Pavonis Mons volcano taken by the HiRISE instrument aboard the robotic Mars Reconnaissance Orbiter currently circling Mars."

  View: Full article |  Source: NASA

  Discuss: View comments (35)

   


 
Recent comments on this story
Comment icon #26 Posted by lightly on 23 July, 2012, 23:54
Ya, there is a faint ridge around the 'crater' . If it's an impact crater it's surface debris was buried with wind blown sand? ... because there is no trace of outward streaks or even chunks! ... the thing is mysterious! What cyanneyed said makes sense: " Being on the side of a volcano, could it not just be a magma cavern that's caved in over time?" ◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊◊... [More]
Comment icon #27 Posted by jamiecollins27 on 24 July, 2012, 1:33
Is it really that hard to believe? When we still have people debating that we have holes in the north and south poles leading into our earth? I personally believe it but thats from a bias of information ive researched.
Comment icon #28 Posted by Lava_Lady on 24 July, 2012, 7:22
This doesn't look like a sink hole or an impact crater to me because it's clearly raised far above the surface, kind of like a pimple. There also appears to be a curve to the tunnel, like if one were to fly down the 90 degree opening it would eventually turn into a 120 degree turn. There is a brightness inside the black half moon of the shadow, as if it is being illuminated from inside. If this is all ice maybe it could happen but I am currently rethinking the inner core world theory. Crazy? Might be, but someone has to be "crazy" so that the self righteous & the closed m... [More]
Comment icon #29 Posted by Coffey on 24 July, 2012, 9:48
This is a true colour view of Mars: (from Nasa) Yeah, there is ice in the North and South.... (a lot of people fial to mention this, I was kinda shocked when I found out) Ther eis more google images of Mars that shows there is more than that as well.
Comment icon #30 Posted by Ryu on 26 July, 2012, 19:01
Cool photo. Looks like a crater to me as well but..is it possible that over time the bottom of the crater eroded away to reveal a lava tube or something?
Comment icon #31 Posted by CRIPTIC CHAMELEON on 26 July, 2012, 22:25
Nice photo I actually I thought you were writing in french for a second then realized its a typo. lol
Comment icon #32 Posted by Coffey on 27 July, 2012, 10:24
Haha, I bought a stupidly over prized keyboard for gaming and it causes me to make so much typos. My right hand seems to type faster as well which makes it worse. lol
Comment icon #33 Posted by Uncle Sam on 27 July, 2012, 16:41
It is an sink hole, probably caused during the time Mars was still wet. Sand is there, only reason you don't notice it is because you are looking at the picture in false color.
Comment icon #34 Posted by lizzieboo on 27 July, 2012, 16:55
I go with the crater theory. Having visited Meteor Crater, I can say that the hole on Mars looks very much like the one in Arizona. (Hm; perhaps they were both created by the liftoff burners of the same alien craft... ) It's a wonderful photo, regardless.


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