Anyone else interested in life on other worlds?

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There are over 100 billion galaxies, each of these galaxies have hundreds of billions or even trillions of stars many of them yellow dwarfs like the sun many or most stars likely have their own planets and solar systems. I often daydream and wonder what kinds of life are probably out there. does anyone else do this?

Yeah. I wonder if the plants would be a different color.

I should think it very likely, I would guess that whatever part of the relevant sun's light is most abundant at the surface of a planet would be the energy that plants would be best off capturing, and the colour would probably depend on that. I'm fairly sure that red (dwarf, not giant), orange and yellow stars are all reasonable theoretical (I say theoretical 'cause we ain't seen any Earth-sized, let alone Earth-like exoplanets to know, although we're getting closer to that all the time) candidates for long-term stable habitable zones, not so sure about the bigger, hotter blue and white ones.

I've always wondered why it's so dangerous to even consider it...

i also wonder about living things on other planets, but i have no interest in contacting them. we have enough of our own problems we should be dealing with, and I think it's naive to assume they're any more mature or benevolent than we are.

I would not be surprised if every star had at least one life-supporting planet, and I also wouldn't be surprised if we're the only one. But I think the aliens that people see now (like the gray big-eyed things that abduct people), if they are real, might be from here.

I enjoy the life on other worlds concept,
it's definitely an out this world experience to behold,
Though for some reason it's the only time I don't feel like an alien.

Yes. Take me away...

Yesss, oooh,
I always used to look up and think about who I might be looking at, and wonder if they were thinking about me~
I really really really hope we encounter some other life before I die. Even if it's just.. plants or something. But more than just goo, I would hope. Something that's had time to turn into something really interesting.

The Drake Equation
[youtube]http://www.youtube.com/watch?v=MlikCebQSlY[/youtube]

I do quite agree with you on that. People are already ruining Earth, they have no right to go to other planets and ruin them, too. Especially if they have beautiful landscapes. I more like to imagine what nature would be like on extrasolar planets, but no intelligent life. Possibly so different from Earth. I guess you could say I'm more interested in the picture?

Besides, if there is intelligent life on other planets, it wouldn't be too hard for them to finish us up. I mean, we're always fighting amongst ourselves, that this group is better than that group, for the dumbest reasons. It wouldn't be hard to turn any one group against the others. They already are.

I'm interested in life on other planets, and I often wonder what's going on on those planets, as well.

A lot of stars out there don't have anywhere around them where a planet can safely orbit for a long time (and still be close enough to be habitable) - many stars are in groups of 2 or more, which makes it harder for them to have planets; and there are many other stars which have never had the right conditions (so far as we know about it) to have planets form around them. And some are too short-lived, and others too variable, and others are in places where they get regularly hit by cosmic nastiness (like in the centre of the galaxy) which would make life difficult.

But of the stars which are reasonably like our own, I also wouldn't be surprised if many or most of them had a roughly Earth-shaped planet in the right place, with at least the potential for life - it'd be wonderful if the galaxy is full of Earths! Hopefully we will start to see them in our lifetimes.

I've often wondered about life on other planets.It seems improbable that there couldn't be,
given the vast amount of stars with planets orbiting them.
I also wonder about the possibility of parallel universes,in which each of us could be
living out different versions of our lives.

Hi MartyMoose. Astronomy is an interest of mine, and I have often wondered about life out there in the universe. With the near infinite amount of planets there seems there would have to be life beyond Earth.

Here is a thought of mine. Many scientists are quick to say that a planet would have to have this and that (oxygen, right temperature, etc.) to support life. But...would all alien life have to have oxygen? Perhaps for them to exist they wouldn't need oxygen because they breathe something else. Or perhaps they don't breathe at all because they don't have lungs. Maybe they don't have blood. Somewhere out there life could exist in a molten world where acid rains down on a barren landscape. Maybe we humans could not even see this life. Maybe another lifeform is invisible to our eyes.

Perhaps somewhere, a million light years away, some advanced species of life has trained an enormous telescope on earth. This telescope is so powerful that it can see small details on our planet. So at this very moment they could be looking at earth. What do they see? If we wave, would they see us? No. They would be observing earth as it was a million years ago. That is a wild thought. It is theoretically possible to observe the history of the earth as moving pictures---a silent movie. The images of earth's beginnings can be witnessed somewhere out there at this very moment. Maybe there is a life doing this right now---witnessing earth's history. And then, just as some spectacular earth event is about to unfold---a large cloud obscures the view .

I do believe strongly in the possibility of life somewhere else in the universe.

When the Earth was first formed it wasn't "Ideal" for life. Its atmosphere consisted mostly of methane and other gases we can't breath. But tiny lifeforms called extremophiles converted the atmosphere into something beathable for plants and alge. The plants and alge then pumped oxygen into the atmosphere making it what it is today.

Dreamed/fantasied about it before. Even seen some experimental aircraft test that at 14 I swore they were UFOs (after all I never seen anything move that quickly or quietly before) Still am not sure what they were testing that night, but they were cool to watch.

Maybe one day we will make contact with other planets... but it's pretty unlikely, we are just a small speck in a big universe.

[youtube]http://www.youtube.com/watch?v=hdjL8WXjlGI[/youtube]