RE: Comets and life
January 27, 2015 at 10:13 am
(This post was last modified: January 27, 2015 at 10:15 am by Anomalocaris.)
(January 25, 2015 at 8:31 pm)dyresand Wrote: I seen a article saying that comets and meteors having binary DNA but that is interesting.
Considering how fragile DNA is, and how easily it is broken down in even benign environments, I would say DNA molecules native to comets and meteors is as close as anything can come to being impossible.
(January 26, 2015 at 8:37 pm)IATIA Wrote: DNA building blocks, not DNA. Not to dismiss the find by any means, but actual DNA would be an universe shattering find. To believe the probability of alien life is one thing, but to actually find it ... ?
Actual DNA survivng for presumably prolonged period on a body exposed to hard vacuumed and radiation of space would also shatter our belief that we understand chemistry.