posted on Feb, 27 2009 @ 12:32 AM
But think about this for a moment. Life has found ways of evolving and surviving every mass extinction our planet has ever suffered. This is
primarily because microscopic organisms and basic organic lifeforms have evolved to withstand some of the harshest conditions on earth and thrive in
those conditions. As far as the possibility for life on mars, it all depends on how long life had to evolve to living underground, without sunlight,
far from the harsh, dry conditions on the martian surface. On earth, we call such lifeforms "photosynthetic" because they have discovered ways of
undergoing photosynthesis artificially without heat, light, or any energy from the sun. Because such small, basic organisms can thrive and retrieve
energy in these harsh conditions (such as organisms living near deep ocean vents) larger and larger lifeforms also thrive because the smaller ones
are. All of this was discovered just a few years ago. Until then, we had no idea life could sustain itself like this without any real energy from
We know that liquid water also occasionally pours out onto the surface of mars even today (see link below for photos).
And we have no way of knowing exactly how much liquid water remains frozen and/or in liquid form far beneath the surface. Each time life on earth was
nearly completely eradicated from asteroid/comet impacts, some of this life still remained intact underground and in the deep oceans where they were
unharmed by the chaos above. Life even found a way to survive all the ice ages on our planet. To think life couldn't find a way on mars is a
stretch to say the least. And actually, since we have no idea how long life had to evolve to harsh conditions on mars, we have no way of even being
able to gauge such a likelihood even with all we do know about the red planet.
When you consider all this, saying that there is a "sliver" of a chance that there is life on mars doesn't really make sense at all. We have to
look at other examples of life in the solar system to gauge whether or not organisms could survive those harsh conditions.. And when you look at
earth, life is definately capable of doing so. This is the entire reason scientists are excited about life on Europa and other bodies in our solar
I mean, we even have organisms on earth that get their food from uranium radiation deep underground. See more
And Some NASA scientists still believe that everything seems to point to life on Mars. It just depends on who you ask. this one seems to think life
on mars is quite possible.
Mars: Tilting towards Life?
[edit on 27-2-2009 by BlasteR]