OldFart Posted December 19, 2007 Share Posted December 19, 2007 Up Uranus! Link to comment Share on other sites More sharing options...
rjw63 Posted December 19, 2007 Share Posted December 19, 2007 Extra terrestrial life. Do You Believe? I didn't, and then................... Link to comment Share on other sites More sharing options...
Marka Ragnos Posted October 26, 2022 VT Supporter Share Posted October 26, 2022 There is new science out that's suggesting that life as we know it may be even rarer than previously theorised. It's interesting. I still think there must be ET life, since this new finding posits merely a smaller portion of what is essentially infinity -- which is, essentially, still infinity? -- but still. Interesting: Quote An Earth-like planet orbiting a red dwarf star, or ‘M dwarf,’ has been found to have had its atmosphere stripped away by intense radiation from its host star. The finding may help scientists narrow their search for extra-terrestrial life, as it suggests that planets orbiting other red dwarfs may also be rendered inhospitable by this star type. That is, if we assume that aliens also need to breathe to metabolise. For the record, that is a fair assumption. Red dwarfs are the most common star in the universe. They are about one tenth the diameter of our sun, but are still main sequence stars, meaning they fuse hydrogen atoms to form helium atoms in their cores. In fact, they are the smallest and coolest of the main sequence stars, reaching only around 2,000°C surface temperatures. Link to comment Share on other sites More sharing options...
TheAuthority Posted October 26, 2022 VT Supporter Share Posted October 26, 2022 1 hour ago, Marka Ragnos said: There is new science out that's suggesting that life as we know it may be even rarer than previously theorised. It's interesting. I still think there must be ET life, since this new finding posits merely a smaller portion of what is essentially infinity -- which is, essentially, still infinity? -- but still. Interesting: 2 Link to comment Share on other sites More sharing options...
rjw63 Posted October 26, 2022 Share Posted October 26, 2022 1 1 Link to comment Share on other sites More sharing options...
Amsterdam_Neil_D Posted October 26, 2022 Share Posted October 26, 2022 "Extra Terrestrial Life. Do you believe?" How certain am I of life on other planets either before, now or in the future. 100% Why?, it's seems to be a mathematical certainty given the amount of time and space available and viewable from where we are (we can't see that far in relation to the size of space) Earth exists with life just becasue all the levers that were required to create life were in the correct position for our planet. Water, Oxygen, Volcanic activity, the Sun and the moon are just a few of the ingredients that helped to get things going on our planet. The infinite nature of Space and the fact we live on well, the very living proof of the variables all lining up means that as I type the first Extra Terrestrial Life on a planet or multiple has just sprung into action, I hope so and I christen him "Gerald". The alternative is to think we are Special and the only life in a universe that is so big it hurts to think about it. I doubt this is how it is. We will never find out unfortunately, that's just the way it is. 1 Link to comment Share on other sites More sharing options...
Mark Albrighton Posted October 26, 2022 VT Supporter Share Posted October 26, 2022 It is known that there are an infinite number of worlds, simply because there is an infinite amount of space for them to be in. However, not every one of them is inhabited. Therefore, there must be a finite number of inhabited worlds. Any finite number divided by infinity is as near to nothing as makes no odds, so the average population of all the planets in the Universe can be said to be zero. From this it follows that the population of the whole Universe is zero, and that any people you may meet from time to time are merely the products of a deranged imagination. 2 Link to comment Share on other sites More sharing options...
Amsterdam_Neil_D Posted October 26, 2022 Share Posted October 26, 2022 21 minutes ago, Mark Albrighton said: people you may meet from time to time are merely the products of a deranged imagination. "Truss Time" 2 Link to comment Share on other sites More sharing options...
ender4 Posted October 26, 2022 Share Posted October 26, 2022 1 hour ago, Mark Albrighton said: It is known that there are an infinite number of worlds, simply because there is an infinite amount of space for them to be in. However, not every one of them is inhabited. Therefore, there must be a finite number of inhabited worlds. Any finite number divided by infinity is as near to nothing as makes no odds, so the average population of all the planets in the Universe can be said to be zero. From this it follows that the population of the whole Universe is zero, and that any people you may meet from time to time are merely the products of a deranged imagination. Your maths fell apart here. If there is infinite space and infinite planets, and an infinitely small percentage of them are inhabited, then it follows there must be an infinite number of inhabited worlds. 3 Link to comment Share on other sites More sharing options...
Mark Albrighton Posted October 26, 2022 VT Supporter Share Posted October 26, 2022 7 minutes ago, ender4 said: Your maths fell apart here. If there is infinite space and infinite planets, and an infinitely small percentage of them are inhabited, then it follows there must be an infinite number of inhabited worlds. I’m afraid you’ll have to take it up with Mr Adams. 1 Link to comment Share on other sites More sharing options...
HKP90 Posted October 26, 2022 VT Supporter Share Posted October 26, 2022 6 minutes ago, Mark Albrighton said: I’m afraid you’ll have to take it up with Mr Adams. Good luck. Link to comment Share on other sites More sharing options...
tonyh29 Posted October 26, 2022 Share Posted October 26, 2022 Extra-terrestrial life ? yes, if one describes microbials as "life" ... intelligent life capable of communicating with us then probably No This stuff is way beyond my comprehension, but I think parts of our universe have something like a 9 bn year head start on us evolution wise ..and yet we've not heard a squeak out of anyone I'm sure other options are available, but i guess the simplest ones are (Potential) intelligent life forms died out on goldilocks planets before they had a chance to evolve i.e the Gaian Bottleneck They evolved on the Kardashev Scale to Type V They destroyed each other billions of years ago They haven't evolved enough to be able to communicate/ they don't want to communicate there aren't any it could be we haven't been listening long enough, but "we are alone" is seeming the most likely at this present moment 1 Link to comment Share on other sites More sharing options...
blandy Posted October 26, 2022 Moderator Share Posted October 26, 2022 4 minutes ago, tonyh29 said: we are alone" is seeming the most likely at this present moment I disagree. How evolved life is on the trillions of other planets and stars, or which have any form of life or not cannot be known, but there is actual evidence of life elsewhere, so the individual probability for each planet/ star is incredibly remote, but collectively it’s not. Collectively I’d wager it’s more likely than not. Quote NASA’s Curiosity rover has found new evidence preserved in rocks on Mars that suggests the planet could have supported ancient life, as well as new evidence in the Martian atmosphere that relates to the search for current life on the Red Planet. While not necessarily evidence of life itself, these findings are a good sign for future missions exploring the planet’s surface and subsurface. NASA 2 Link to comment Share on other sites More sharing options...
Amsterdam_Neil_D Posted October 26, 2022 Share Posted October 26, 2022 36 minutes ago, tonyh29 said: and yet we've not heard a squeak out of anyone Yes and no, even if they are out there, nobody can ever communicate. Even if we knew of a planet and its exact coordinates 200 light years away that has got intelligent life on it, what then ? There is no way at all to send a message and get a reply as far as I know. Link to comment Share on other sites More sharing options...
PussEKatt Posted October 26, 2022 Share Posted October 26, 2022 There just has to be life out there.Because there is no way you can have 1 billion planets and life on only one. Link to comment Share on other sites More sharing options...
tomav84 Posted October 26, 2022 VT Supporter Share Posted October 26, 2022 i'm certain that there are other planets out there that are capable tor supporting life, and do. probably 100s of them i'm also certain that regardless of how many planets are out there with life on them, even if man lives long enough to discover them before destroying this place (unlikely), that man will still not ever meet a bigger bellend than nigel farage 1 1 Link to comment Share on other sites More sharing options...
limpid Posted October 26, 2022 Administrator Share Posted October 26, 2022 19 minutes ago, PussEKatt said: There just has to be life out there.Because there is no way you can have 1 billion planets and life on only one. There are hundreds of billions of stars in our medium sized galaxy. There are hundreds of billions of galaxies. Where did you get that number of planets from? 1 Link to comment Share on other sites More sharing options...
PussEKatt Posted October 26, 2022 Share Posted October 26, 2022 I dont know how many stars are out there but I cant see us bieng the only intelligent life in the universe. 2 Link to comment Share on other sites More sharing options...
colhint Posted October 26, 2022 Share Posted October 26, 2022 I think time is the biggest factor. Humans have been around somewhere between 2 and 6 million years, it's only been 70 years since we put a satellite in space. The earth has been around 4.5 b years and we have only been looking for 70. There will come a time when mankind no longer exists. Other planets will come and go, maybe some tried to contact us 2000 years ago or even 150 we wouldn't have known about it. So to have 2 planets with similar technology capabilities at the same time, well the odds would be ridiculous. 1 Link to comment Share on other sites More sharing options...
Chindie Posted October 26, 2022 VT Supporter Share Posted October 26, 2022 (edited) Anyone watching the latest series of Unsolved Mysteries would have questions about alien life. The show includes an episode on the 1994 Michigan UFO incident, where hundreds of people, including police, saw strange lights in the sky for hours, over a large area around Lake Michigan, moving at speeds and in manners that known aircraft couldn't, and was seen on radar for much of it. It's very difficult to explain. Edited October 26, 2022 by Chindie 1 Link to comment Share on other sites More sharing options...
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