Do you believe in extraterrestrial life?

I am convinced of thet they really exist!

Yea, sure. Like the aliens in fiction? HELL NO! But SOME life exists. What I don't get is why a lot of people assume it'd have to be on an Earth-like planet that can "sustain life". If we and everything else on Earth need these conditions, why should other lifeforms need them? Personally I think it's possible for extraterrestrial life to exist in anything from the vacuum of space to the core of a star, because we never know what "nature" can cook up. Then again I'm not an expert on biology and physics, but my point still stands- we know EARTH biology and physics...

yep...

Of course life and other civilisations exist, we would be very narrow minded to think we are alone in the universe.

The universe is so unbelievable big... I believe there is a greater chance that there are other lifeforms than the chance that there aren't any...

Of course I do. There's no chance Earth is the only planet where life is. Intelligent or not, there must be some forms of life somewhere in the universe.

I believe earth is flat and nobody was ever on the Moon.

I don't believe in green guys, but if you take a random pic of night sky there will be around three thousand unseeable galactics. So, there is a one to bilion chance to not any life at all exist in the space.Oh, by the way, universe is growing faster than light.

iBelieve

I'm sure there is another "Earth" out there, somewhere in one of those billion galaxies. This is probably the reason we launched the Voyager Golden Record into space in the 70's. Just in case some extraterrestrial life is out there somewhere.

Hubble Ultra Deep Field. That image contains an estimated 10000 galaxies, and that was taken through a patch of seemingly empty space the size of a 1mm x 1mm bit of paper held at 1m from your eye. 1mm x 1mm is pretty darn tiny, before you hold it arms reach, in comparison to the size of space.

Every white or yellow dot on the Hubble Ultra Deep Field is a galaxy, that's implies that there is metric fuck-ton of galaxies out there, typically with 10^7 -> 10^14 stars. That's a lot of stars, and consequently a lot of planets that could have life on them.

TL;DR: Yep, I reckon there is life out there, and we are likely not the most advanced life form either (much as we like to think we are).

yes to all questions

"Extraterrestrial life" is very similar to religion. People create it so their lives don't seem so boring and pointless.

Yes, but I don't believe they a green men with giant heads and laser guns flying around in UFO's

We are not alone, sir.

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Thanks anyway :D

i believe in beatles

There's evidence to suspect that all life on earth may have begun on Mars. So we may all be extraterrestrial life

N = R* • fp • ne • fl • fi • fc • L

Nope.

I think the bigger question is, supposing there is life out there intelligent enough to listen to us, is it wise for us to be advertising our presence? Who knows what could have come out of evolution on an alien world?

Photographic evidence

Why not?

I believe that in all probability there is, but we probably won't come in contact with any extraterrestrial life forms in my lifetime so it really doesn't matter that much to me.

Someone smarter than me once said:

http://xkcd.com/962/