![]() You really shouldn't try to attack people for their beliefs before you even give them a chance to state them.Īs for the actual question: The Bible doesn't concern itself with the physical space that lies beyond the Earth, for reasons that should be obvious to both believers and non-believers. ![]() Being, as I've mentioned, an agnostic, I find this idea counterintuitive and would like to hear the reasoning behind it.įirst of all, you do realise that ad hominem arguments are rather obvious fallacies? The AC hadn't even brought his personal beliefs - which, after all, were irrelevant to the discussion - into the matter. Furthermore, seeing as I agree with the GP, you seem to by extension assert that I am under the control of organised religion. Now, I'm not the GP, but unfounded aggressive anti-religious statements annoy me as an agnostic: I'd like to perceive atheism as being a rational alternative to religion, and broad, sweeping statements like that aren't helping. Since chiral molecules are necessary to breed new chiral molecules, how did the first ones come about? " The scientists, however, cannot explain how this happened because they have never succeeded in creating chiral molecules of only one kind in laboratory experiments that simulated prebiotic conditions. "Therefore, a preponderance of one handedness must have evolved in prebiotic times." "It is generally agreed that you need homochirality - either all left-handed or all right-handed - for life to get off the ground," Bonner said. In order for these polymeric molecules to replicate themselves, their individual components have to be of one kind, either right- or left-handed. " The crucial biomolecules of life - such as amino acids, RNA and DNA - are chiral. we get to see if it also has a "handedness" in the formation of its molecules. if we get non-terrestrial life and it's genetic code, the results will be the biggest discovery of the last 100 yrs (leaving out quantum physics and atomic energy). The findings will be presented next month at a meeting of the American Astronomical Society's Division for Planetary Sciences in Cambridge, England. Given the low air pressure on Mars, water would boil in a flash, the researchers say, so it is doubtful that ice accumulates in the gullies. That implies the water rapidly froze or evaporated. Some of the gullies taper off into very small debris fields or leave no debris at all. "We find that the short length of the gully features implies they did form under conditions similar to those on present-day Mars, with simultaneous freezing and rapid evaporation of nearly pure liquid water." ![]() ![]() "If liquid water pops out onto Mars' surface, it can create short gullies about 550-yards (500-meters) long," Heldmann said in a statement. The claim that water carved the gullies is based on the shape and size of features spotted by NASA's Mars Global Surveyor. "The gully sites may also be of prime importance for human exploration of Mars because they may represent locations of relatively near surface liquid water, which can be accessed by crews drilling on the red planet."Īny potential long-term human presence on Mars would require a water source, both for drinking and to be broken down into hydrogen as fuel for return flights. "The gullies may be sites of near-surface water on present-day Mars and should be considered as prime astrobiological target sites for future exploration," said Jennifer Heldmann, the lead researcher from NASA's Ames Research Center. The conclusion is based on computer modeling of the atmosphere and how water would behave. The new study suggests water may still bubble to the surface of Mars now and then, flow for a short stretch, then boil away in the thin, cold air. Water is a key ingredient for life as we know it, and other scientists have speculated that life on Mars, if there is any, could lurk just beneath the surface where ice melts in pockets. Scientists know there is a lot of water ice on Mars, locked up at the poles and beneath the surface elsewhere. But most of the features are ancient, or if they seemed modern then there were questions about how the water could stay liquid long enough to do the carving. There have been many studies of Martian gullies that concluded water was involved. Small gullies on Mars were carved by water recently and would be prime locations to look for life, NASA scientists said today. ![]() Water Flowed Recently on Mars, NASA Scientists Say ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |