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LOG IN Forgot Login? Register General Discussion • Trading Post • Non-Film Score Discussion  Profile • Preferences • Community Rules • Help/Contact • Search Board Search Terms:  Search Within:  topics posts since 2019 2018 posts 2017 posts 2016 posts 2015 posts 2014 posts 2013 posts 2012 posts 2011 posts 2010 posts 2009 posts 2008 posts 2007 posts 2006 posts 2005 posts 2004 posts 2003 posts 2002 posts 2001 posts 2000 posts users  search tips  You must log in or register to post.   Go to page:  1 2 3 4 5 6 7 8      Non-Film Score Discussion: NASA CONFIRMS FLOWING WATER ON MARS!!!!!!!!!!!!!!!    FIRST   PRIOR   6 7 8       Last Post   Posted:   Apr 4, 2017 - 8:32 AM     By:   Solium   (Member) Our Moon is tidal locked. They believe gravity from the Earth pulled magma to the surface from the near side. But there are competing theories within the "mainstream." http://www.slate.com/blogs/bad_astronomy/2014/07/01/the_moon_s_two_faces_why_are_they_so_different.html My point was, it's very hard to arrive at certainty when the matter is so complicated and the events are so far in the past. I have heard of the "two Moons" theory. And it's certainly plausible. A similar theory has been presented for Mars.    Posted:   Apr 4, 2017 - 8:53 AM     By:   Grecchus   (Member) Mars does have two natural satellites, only, they're clearly fragments of something. Their orbits are not quite co-planar, however, you wouldn't expect them to be. If they were part of a larger object which fragmented due to interaction with the larger body of Mars, then the reaction forces which broke them apart can account for their slightly different orbital planes. They basically comprise a smaller and a larger splinter. That's my 2 cents. Edit: I think they originated in the nearby asteroid belt. That means, in turn, the asteroid belt has to be very, very old. So now, you have to figure out how the asteroid belt got to be there. Fun, isn't it? There's this from the DM: http://www.dailymail.co.uk/sciencetech/article-4378550/Remains-ancient-planet-spotted-orbiting-Mars.html A more scholarly treatment of olivine content/distribution on the surface of Mars: http://onlinelibrary.wiley.com/doi/10.1029/2012JE004149/full And this short article: https://www.newscientist.com/article/dn7463-cold-dry-and-lifeless-a-new-take-on-mars/    Posted:   Apr 5, 2017 - 8:06 AM     By:   Solium   (Member) Edit: I think they originated in the nearby asteroid belt. That means, in turn, the asteroid belt has to be very, very old. So now, you have to figure out how the asteroid belt got to be there. Fun, isn't it? The asteroid belt is believed to be a failed planet that never totally formed, or one that broke apart when Jupiter and Saturn did their dance and traded places in the solar system.    Posted:   Apr 5, 2017 - 8:13 AM     By:   Solium   (Member) @ Grecchus- Did you see these images? I did a fast picture search.    Posted:   Apr 5, 2017 - 9:36 AM     By:   Grecchus   (Member) I've seen various 'portraits' of what the Martian surface may have resembled sometime in the distant past. It seems likely the north western cliff edge of Olympus Mons is the way it is today because of how it was yesteryear, and the erosional qualities of a fast moving fluid are a prime candidate for making it that way. If there really was a large body of water on Mars back then, the tragedy of its loss is of a magnitude beyond contemplation. I just read Lovelock's Ages Of Gaia, and the state of Mars today is a stark warning to us of what is probably in store for earth as the Sun's heat output rises inexorably. We have a problem because we are the problem. Lovelock believes that ice ages are the natural, more comfortable state of the earth for, believe it or not, the totality of life on its surface. The ice ages last for hundreds of thousands of years. He thinks our current period is an "interglacial" period, and that Gaia will eventually readjust the internal controls to bring on the next ice age. Humans have appeared in the interglacial period when there is naturally more carbon dioxide in the atmosphere. And we are putting even more carbon dioxide in and wildly rocking the boat at this fragile juncture in the Gaian cycle. With the destruction of the habitat Gaia would normally employ to bring down the temperature to more comfortable levels, we are destroying the infrastructure this normalizing process needs to bring environmental temperature balance back. Things will get hotter and hotter and there is nothing we can do about it.    Posted:   Apr 5, 2017 - 10:09 AM     By:   Solium   (Member) I've seen various 'portraits' of what the Martian surface may have resembled sometime in the distant past. It seems likely the north western cliff edge of Olympus Mons is the way it is today because of how it was yesteryear, and the erosional qualities of a fast moving fluid are a prime candidate for making it that way. If there really was a large body of water on Mars back then, the tragedy of its loss is of a magnitude beyond contemplation. I just read Lovelock's Ages Of Gaia, and the state of Mars today is a stark warning to us of what is probably in store for earth as the Sun's heat output rises inexorably. We have a problem because we are the problem. Lovelock believes that ice ages are the natural, more comfortable state of the earth for, believe it or not, the totality of life on its surface. The ice ages last for hundreds of thousands of years. He thinks our current period is an "interglacial" period, and that Gaia will eventually readjust the internal controls to bring on the next ice age. Humans have appeared in the interglacial period when there is naturally more carbon dioxide in the atmosphere. And we are putting even more carbon dioxide in and wildly rocking the boat at this fragile juncture in the Gaian cycle. With the destruction of the habitat Gaia would normally employ to bring down the temperature to more comfortable levels, we are destroying the infrastructure this normalizing process needs to bring environmental temperature balance back. Things will get hotter and hotter and there is nothing we can do about it. Totally agree.     Non-Film Score Discussion: NASA CONFIRMS FLOWING WATER ON MARS!!!!!!!!!!!!!!!    << < 6 7 8  >   Go to page:  1 2 3 4 5 6 7 8   First Post    General Discussion • Trading Post • Non-Film Score Discussion  Profile • Preferences • Community Rules • Help/Contact • Search Board You must log in or register to post.   Go to page:  1 2 3 4 5 6 7 8

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