anyone want to move there?

http://www.cnn.com/2007/TECH/space/04/25/habitable.planet.ap/index.html

Quote :

"WASHINGTON (AP) -- European astronomers have found the most Earth-like planet outside our solar system, and here's what it might be like to live there: The "sun" wouldn't burn brightly. It would hang close, large and red in the sky, glowing faintly like a charcoal ember. And it probably would never set if you lived on the sunny side of the planet. You could have a birthday party every 13 days because that's how fast this new planet circles its sun-like star. But watch the cake -- you'd weigh a whole lot more than you do on Earth. You might be able to keep your current wardrobe. The temperature in this alien setting will likely be a lot like Earth's -- not too hot, not too cold. And that "just right" temperature is one key reason astronomers think this planet could conceivably house life outside our solar system. It's also as close to Earth-sized as telescopes have ever spotted. Both elements make it the first potentially habitable planet besides Earth or Mars. Astronomers who announced the discovery of the new planet Tuesday say this puts them closer to answering the cosmic question: Are we alone? "It's a significant step on the way to finding possible life in the universe," said University of Geneva astronomer Michel Mayor, one of 11 European scientists on the team that found the new body. "It's a nice discovery. We still have a lot of questions." There's still a lot that is unknown about the new planet, which could be deemed inhospitable to life once more is learned about it. But as galaxies go, it's practically a neighbor. At only 120 trillion miles away, the red dwarf star that this planet circles is one of the 100 closest to Earth. The results of the discovery have not been published but have been submitted to the journal Astronomy and Astrophysics. Alan Boss, who works at the Carnegie Institution of Washington where a U.S. team of astronomers competed in the hunt for an Earth-like planet, called it "a major milestone in this business." The planet was discovered by the European Southern Observatory's telescope in La Silla, Chile, which has a special instrument that splits light to find wobbles in different wavelengths. Those wobbles can reveal the existence of other worlds. What they revealed is a planet circling the red dwarf star, Gliese 581. Red dwarfs are low-energy, tiny stars that give off dim red light and last longer than stars like our sun. Until a few years ago, astronomers didn't consider these stars as possible hosts of planets that might sustain life. The discovery of the new planet, named 581 c, is sure to fuel studies of planets circling similar dim stars. About 80 percent of the stars near Earth are red dwarfs. The new planet is about five times heavier than Earth, and gravity there would be 1.6 times as strong as Earth's. Its discoverers aren't certain if it is rocky like Earth or if its a frozen ice ball with liquid water on the surface. If it is rocky like Earth, which is what the prevailing theory proposes, it has a diameter about 11/2 times bigger than our planet. If it is an iceball, as Mayor suggests, it would be even bigger. Based on theory, 581 c should have an atmosphere, but what's in that atmosphere is still a mystery and if it's too thick that could make the planet's surface temperature too hot, Mayor said. However, the research team believes the average temperature to be somewhere between 32 and 104 degrees and that set off celebrations among astronomers. Until now, all 220 planets astronomers have found outside our solar system have had the "Goldilocks problem." They've been too hot, too cold or just plain too big and gaseous, like uninhabitable Jupiter. The new planet seems just right -- or at least that's what scientists think. "This could be very important," said NASA astrobiology expert Chris McKay, who was not part of the discovery team. "It doesn't mean there is life, but it means it's an Earth-like planet in terms of potential habitability." Eventually astronomers will rack up discoveries of dozens, maybe even hundreds of planets considered habitable, the astronomers said. But this one -- simply called "c" by its discoverers when they talk among themselves -- will go down in cosmic history as No. 1. Besides having the right temperature, the new planet is probably full of liquid water, hypothesizes Stephane Udry, the discovery team's lead author and another Geneva astronomer. But that is based on theory about how planets form, not on any evidence, he said. "Liquid water is critical to life as we know it," co-author Xavier Delfosse of Grenoble University in France, said in a statement. "Because of its temperature and relative proximity, this planet will most probably be a very important target of the future space missions dedicated to the search for extraterrestrial life. On the treasure map of the Universe, one would be tempted to mark this planet with an X." Other astronomers cautioned it's too early to tell whether there is water. "You need more work to say it's got water or it doesn't have water," said retired NASA astronomer Steve Maran, press officer for the American Astronomical Society. "You wouldn't send a crew there assuming that when you get there, they'll have enough water to get back." The new planet's star system is a mere 20.5 light years away, making Gliese 581 one of the 100 closest stars to Earth. It's so dim, you can't see it without a telescope, but it's somewhere in the constellation Libra, which is low in the southeastern sky during the mid-evening in the Northern Hemisphere. Even so, Maran noted, "We don't know how to get to those places in a human lifetime." But, oh, the view, if you could. The planet is 14 times closer to the star it orbits. Udry figures the red dwarf star would hang in the sky at a size 20 times larger than our moon. And it's likely, but still not known, that the planet doesn't rotate, so one side would always be sunlit and the other dark. Two teams of astronomers, one in Europe and one in the United States, have been racing to be the first to find a planet like 581 c outside the solar system. The European team looked at 100 different stars using a tool called HARPS (High Accuracy Radial Velocity for Planetary Searcher) to find this one planet, said Xavier Bonfils of the Lisbon Observatory, one of the co-discoverers. Much of the effort to find Earth-like planets has focused on stars like our sun with the challenge being to find a planet the right distance from the star it orbits. About 90 percent of the time, the European telescope focused its search more on sun-like stars, Udry said. A few weeks before the European discovery earlier this month, a scientific paper in the journal Astrobiology theorized a few days that red dwarf stars were good candidates. "Now we have the possibility to find many more," Bonfils said."

4/25/2007 10:44:58 AM

yeah i saw this yesterday. pretty interesting for us astronomy nerds. to bad they don't have any pics

4/25/2007 10:46:11 AM

I just finished reading that on CNN myself. Very cool.

4/25/2007 10:46:36 AM

message_topic.aspx?topic=474249

on page 1

ibtl

n00b

4/25/2007 10:46:55 AM

meh

so be it

4/25/2007 10:48:51 AM

i wonder if increased gravity would not just make you heavier, but force your body to work that much harder in supporting you, thereby always putting strain on your muscles and bodies - burning fat naturally... so when you came back here you'd be strong as hell and feel a helluva lot lighter.

4/25/2007 10:51:28 AM

sweet

i'd be like 300 years old

4/25/2007 10:53:18 AM

^^ If you'd like to further study that theory I recommend watching DBZ !!

4/25/2007 11:08:29 AM

^haha nice

Quote :

"i wonder if increased gravity would not just make you heavier, but force your body to work that much harder in supporting you, thereby always putting strain on your muscles and bodies - burning fat naturally... so when you came back here you'd be strong as hell and feel a helluva lot lighter."

yea but you would feel that shit like whoa, everything you did would be 1.6 times harder

4/25/2007 11:11:35 AM

It'd probably lead to back problems and bone stress too some parts of the body cannot adapt like muscles can

4/25/2007 11:19:28 AM

[old] to TWW another thread

ibtl

4/25/2007 11:22:28 AM

aha ^^^^

i think it was also one of the scientific explainations for the 1938 superman

4/25/2007 11:36:25 AM

good stuff

4/25/2007 1:10:20 PM

[Edited on April 25, 2007 at 1:19 PM. Reason : ]

4/25/2007 1:19:19 PM

Quote :

"yea but you would feel that shit like whoa, everything you did would be 1.6 times harder"

so any life there would have superhuman strength

we must bomb them

4/25/2007 1:40:54 PM

forget about it, with gas prices where they are now, we won't make the trip even if we do find the right wormhole.

4/25/2007 1:52:10 PM

this is great news...

however, not so exciting if you consider the fact that that we won't be able to develop the technology needed to get there in a few human lifetimes, for at least several centuries, if not several millenia, and if not never.

4/25/2007 1:56:26 PM

^ the microprocessor is going to max out at clock speeds of 800-850 MHz. at that point the physical limits of our technology will be reached, and other materials will have to be researched.

4/25/2007 2:16:05 PM

If it were possible to go the speed of light, it would still take 20 years to get there. So basically, nobody will be going there for a long long long long long time, if ever.

4/25/2007 2:28:35 PM

Quote :

"at that point the physical limits of our technology will be reached, and other materials will have to be researched."

it will still take several centuries to several millenia (if ever) to research, develop, and perfect the technology enough to reach that planet in the time frame of a few human lifetimes.

Quote :

"If it were possible to go the speed of light, it would still take 20 years to get there. "

If humans really could get there in 20 years, trust me, we would be sending people within the next 50 years.

4/25/2007 2:32:05 PM

Well since its impossible to go the speed of light, its not really an issue now is it?

4/25/2007 3:35:04 PM

Sure, but I don't see why it is not possible to feasibly go 1/10 the speed of light in about 1,000-3,000 years from now.

And then several genius families could be sent on a giant ship, they have kids, who are trained to be astronauts from birth, then they have kids, etc.

Be there in 200 years!

4/25/2007 3:40:10 PM

Yeah but the thing about that is that humans travelling 200 yrs in space will be different from those on Earth. Socially, psychologically, physically, they wouldn't be the same. The only knowledge they would have of Earth would be what they learn in books, etc. and I would imagine radio contact with Earth would take a loooong time.

4/25/2007 3:44:14 PM

1/10th is STILL 18,000 miles a second. Even in 2000 years, thats still going to be practically impossible

4/25/2007 3:45:13 PM

^ yup pretty much.

^^ true. and about radio contact, wouldn't it take 20 years for just a one-way message? have they thought about what to do with that problem? even if one day we could get humans to some planet outside our solar system, communication would take too long for it to be meanigful.

imagine someone sending a "LOL" and then scientists at earth waiting for 20 years for the message thinking it is important, and upon hearing it, either go into a maniacal laughter, or send a ship loaded with NUKULAR weapons to the planet

4/25/2007 3:50:47 PM

this has Event Horizon written all over it

4/25/2007 3:55:58 PM

I bet in 2000 years we'll figure out how to go almost that fast, if not faster.

ANd they are already working on ways to send messages faster than light.

4/25/2007 4:02:18 PM

Ok you do realize the insane difference in sending a "message" close to the speed of light, and making an aircraft go that fast don't you?

And do you understand just how fast 18,000 miles a SECOND is?

4/25/2007 4:04:37 PM

The message thing was WRT OEP's saying even if we could go that fast, we couldn't communicate.

And do you realize how long 2000 years is? Think where we were 2000 years ago compared to now.

4/25/2007 4:06:24 PM

Quote :

"Think where we were 2000 years ago compared to now."

That's actually detimental to your message/cause!

The rate of development/technology is not linear wrt time, but exponential.

The technologies that will be developed from 2000 AD to 4000 AD will be FAR FAR FAR FAR FAR greater in quantity and quality than those developed from 0 AD to 2000 AD.

4/25/2007 4:11:44 PM