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Alien plants and skies on other kind of stars
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| Tim | Date: Friday, 22.02.2013, 17:01 | Message # 16 |
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| I said equivalent of eukaryotes and I was implying if we would find anything multicellar (does that word exist in english? :P).
I think most life in the universe is microscopic.
And if it isn't, I don't think it would be considered a plant or an animal.
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| Salvo | Date: Friday, 22.02.2013, 18:34 | Message # 17 |
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| I think plants exist on other planets, life on the earth was born as microscopic life, but after, it become multicellular life, so if life exist on other planets (I highly doubt the opposite), it could grow in the same way (or a similar way) as it done on the earth, of course i don't think we can find the same plants on another planet, but i think we could find something that looks like a plant or an animal-plant...
Anyway Earth is on a very inner edge of the habitable zone (actually), so maybe alien planets could have more life than we have on the earth 
The universe is not required to be in perfect harmony with human ambition.
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| DoctorOfSpace | Date: Friday, 22.02.2013, 18:35 | Message # 18 |
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| Quote (Tim) I think most life in the universe is microscopic.
Most life on Earth is...
However here on Earth there are single cellular organisms that can be viewed without a microscope
http://en.wikipedia.org/wiki/Valonia_ventricosa
Quote (Tim) And if it isn't, I don't think it would be considered a plant or an animal.
http://en.wikipedia.org/wiki/Biological_classification
http://en.wikipedia.org/wiki/Astrobiology
It doesn't matter if their entire structure is different to ours there will always be a way to classify whether it behaves like a plant, animal, or fungi.
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Edited by DoctorOfSpace - Friday, 22.02.2013, 18:42 |
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| Tim | Date: Friday, 22.02.2013, 20:24 | Message # 19 |
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| I surrender :P
I'm not saying it's impossible, what I'm saying is, I doubt that it would behave like what we have here on Earth. Maybe it is something completely different.
Imagine you were something conscious in the Universe, not something biological, but something else that is conscious. You would start looking for life that looks like you and wouldn't ever even consider life to look like us humans. Which scientist woul ever have been able to predict what life looks like if it wasn't for him being alive himself?
It's a bit highly philosophical, but I like out of the box thinking.
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| DoctorOfSpace | Date: Saturday, 23.02.2013, 00:57 | Message # 20 |
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| Quote (Tim) Imagine you were something conscious in the Universe, not something biological, but something else that is conscious.
Thats a very science fiction notion. As far as anyone can tell a conscious being needs some sort of system in place to generate a mind, some sort of machinery. In our case we have our brains and I suspect in any alien's case they too will have a brain of sorts. It just seems like the most likely outcome for intelligence, even if they are robotic they would still be a form of life and still have some sort of brain. I really can't imagine how something could exist as a conscious being without having some clockwork machinery ticking away.
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| HarbingerDawn | Date: Saturday, 23.02.2013, 01:49 | Message # 21 |
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| Quote (DoctorOfSpace) Quote (Tim) Imagine you were something conscious in the Universe, not something biological, but something else that is conscious. Thats a very science fiction notion.
It's either science fiction or mysticism, depending on how it's meant. It is certainly possible that there might be non-biological sentient entities in the universe, but those entities would have originated as a consequence of biology (biological entities creating AI, for example); that would be the (perfectly plausible) science fiction perspective. I don't think it's possible that these non-biological sentient entities could have come into being in that configuration from the beginning; that perspective does share a lot of similarities with various religious and mystical belief systems which is why I label that viewpoint as being mystical.
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| DoctorOfSpace | Date: Saturday, 23.02.2013, 03:48 | Message # 22 |
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| I said science fiction because many entities in star trek are like that, but they are so fantastical that the majority don't even originate within our universe.
However I am not willing to rule out that its impossible for humanity or other aliens to ascend to a level that is beyond the physical universe, but that would still be science and by such a level of advancement I doubt humanity or any aliens would even concern themselves with lower forms of life. Nor do I think humanity has any hope or chance of ever meeting an alien that advanced so the whole discussion is useless conjecture.
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| HarbingerDawn | Date: Saturday, 23.02.2013, 06:59 | Message # 23 |
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| Quote (DoctorOfSpace) I said science fiction because many entities in star trek are like that, but they are so fantastical that the majority don't even originate within our universe.
Most of the entities in Trek like that that I can recall did originate in our universe, and had biological origins.
Quote (DoctorOfSpace) useless
On an unrelated note, if you look back far enough you'll find that I wrote one of the most popular comments in the history of that video
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Edited by HarbingerDawn - Saturday, 23.02.2013, 07:06 |
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| Tim | Date: Saturday, 23.02.2013, 11:21 | Message # 24 |
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| Well I'm not very religious, I can say that at the least. What I'm trying to say is, we don't if there are other anomalies out there that look or behave alot like life here, but are something completely different. I'm just saying, imagine you were them, you wouldn't be able to imagine life like it exists here on Earth before you've seen it. Of course I don't mean anything magic or spiritual with that, but I like to think we barely understand anything of the potential of the Universe.
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| HarbingerDawn | Date: Saturday, 23.02.2013, 11:59 | Message # 25 |
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| Quote (Tim) I'm just saying, imagine you were them, you wouldn't be able to imagine life like it exists here on Earth before you've seen it. Of course I don't mean anything magic or spiritual with that, but I like to think we barely understand anything of the potential of the Universe.
I understood what you meant. But we should always start searching for what we know can exist. You cannot look for something when you don't know what to look for. The only harm would be in denying that any other form of life or sentience can exist, which most scientists and scientifically-inclined people don't do.
And there is definitely a lot about the universe that we don't know, but we know enough now to begin placing boundaries on future potential discoveries.
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| Salvo | Date: Sunday, 26.05.2013, 12:49 | Message # 26 |
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| Wandering around in my hard drive if found a nice little program that shows you an image, seen as it was in different stars
Download link
The universe is not required to be in perfect harmony with human ambition.
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| Diakonov | Date: Saturday, 27.12.2014, 17:29 | Message # 27 |
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| I created a system that orbit to close stars, both M2V. If planets orbit 2 close M stars, not only the habitable zone will be extended, mainly related to planets with denser air with more greenhouse effect, such as some super-earths in that system, but also will have an increase of the amount light received by a planet. There's one planet I called Lamak (7.5 earth mass / 0.5 albedo) that orbit at 0.875 AU, receiving light of both stars, and according to Space Engine, with air pressure of 7 atm and greenhouse of about 90 K, it has temperature of 306 K. The higher air pressure would make the planet shine more. And the light 2 stars would make such a world develop more plant-life than if it had one star. The double output of light would make Lamak receive a bit more blue light and much more infrared light. The plants are dark red and dark violet and absorb from 450 nm to 800 nm and from 900 nm to 1000 nm. On the other hand reflect more about 850 nm and higher than 450 nm. Part of the red is also reflected, because plants in Lamak absorb more around green light and near-infrared, reflecting a bit the other colors. Would this be possible in real life? Added (27.12.2014, 16:29)
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By the way, what's the name of that program mentioned above? I can't download, link is broken.
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| kham132 | Date: Wednesday, 09.09.2015, 04:58 | Message # 28 |
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| I found this pretty neat video explaining what color is.
What does this have to do with astrobiology? Well, there is a bit where he explains why different colored plants could exist on other worlds, so this idea may seem possible
www.youtube.com/watch?v=5dTI5LZHO0E
"Fancy and inspirational quote."
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Edited by kham132 - Wednesday, 09.09.2015, 05:04 |
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| Alek | Date: Wednesday, 09.09.2015, 19:10 | Message # 29 |
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| Quote HarbingerDawn (  ) Most of the entities in Trek like that that I can recall did originate in our universe, and had biological origins.
Species 8472 was from another universe, and there were many non-corpreal species.
All species well known (and then some, like a lot more, and a whole lot of people doing a whole lot of searching and typing):
http://en.memory-alpha.wikia.com/wiki/Species_and_cultures
Living among the stars, I find my way. I grow in strength through knowledge of the space I occupy, until I become the ruler of my own interstellar empire of sorts. Though The world was made for the day, I was made for the night, and thus, the universe itself is within my destiny.
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