Do you think aliens exist?

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Juneberry
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Post by Juneberry »

It certainly is fascinating. The idea, too, that some of the life on Earth might truly be originating from another world in some way... It's just amazing to think about!
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Post by Spook of the lost »

yeah, pan spermia is an incredible hypothesis.

in fact.

there was an asteroid a year or two ago that they discovered had been floating around our galaxy for Billions of years, kicked out of it's home system long before the nebula from which our star had formed had been created by the death of another star.

due to it's colouration being a reddish brown there's been a lot of discussion about sending a probe out to intercept it, though it's long since left our star system.
that colouration is an indicator of organic molecules and possibly life.

sorta like pluto :P

it's easy to see how stuff like that coming from nearby stars and having drifted in from the void could have been pulled in and hit the planet in the distant past.
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Post by Juneberry »

Certainly, when you think of all the asteroids, meteors and various other debris in the universe, it is highly difficult to believe it not a possibility. I didn't know the color of organic molecules until now though. I wouldn't have guessed it, likely because I'm thinking of the colors of our own world.
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Post by Spook of the lost »

yeah when you think of organic molecules you don't think of methane, ethane, carbon, hydrocarbons etc.
it's all sort of a brown oily substance.
sort of a dusty dirt colour.
but these are the basis for all life on earth.
amino acid chains forming Dineuclaic acids in twin helix patterns with chains utilizing only 4 molecules all based around carbon, nitrogen etc.
in fact, there were several competing forms of this with different molecule sets at one point.
Ribo neuclaic and Di neuclaic are the one's that won out in the end though with the former being primarily used by bacteria and viruses and the latter being used by complex life, DNA.

things could have easily went in another direction based on benzene, or ammonia, or sulfer, or any number of things.

the key here is that it needs to be able to make complex molecule chains to hold information.
and have something that it's soluble in to allow the molecules to form and reform interchangeably.

which is why ammonia and sulfer is a good combo.
or Carbon and water.

there's all sorts of exotic forms theorized as well, so long as molecules can form complex chains and there's a way for them to reform and change then there's a chance that life could happen.
even in nebulous clouds in the void of space.

or on rogue planets without stars kept warm by thick atmospheres.
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Post by Nerdface »

It kinda makes me wonder why governments aren't more eager to explore the possibility of intelligent life away from Earth.. I guess it's all money and lack of funding though!

You'd have to believe there are other intelligent lifeforms out there somewhere.
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Post by Juneberry »

It's easy to imagine there may be a lifeform out there more intelligent than we are. Y'know, aside from dolphins.
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Post by Spook of the lost »

or whales lol.
they actually use sonic frequencies to communicate from one side of the planet to the other... it's incredible.

@ nerdface: it's more about politics, see the reason we never went back to the moon is because it was perceived that it had no value, thus no economics were directed towards it.
combine that with an american people who the majority of have become somewhat apathetic toward space and well...
it kinda stagnates.

what we need is something that draws interest like the space race of the 1960's to bring the public attention back toward space exploration again.

on the upside, there is a probe mission to Europa planned which is going to explore beneath the ice to look for signs of life.
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Post by Juneberry »

I can't wait to see the footage from under the ice. Under the ice on our planet is also amazing~
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Post by Spook of the lost »

indeed ^_^ there's so many subglacial oceans in the sol system!
it may be a decade or two but I'm also looking forward to it.

atm they're testing the technology on the antarctic ice in efforts to explore some of the subglacial lakes there.
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Post by Juneberry »

I just hope I'm alive in two decades to see the progress. It'll be a great memory.
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