Popular Post alfa015 Posted June 18, 2019 Popular Post #1 Share Posted June 18, 2019 Astronomers have discovered a potentially habitable exoplanet around Teegarden's Star. Teegarden is an old red dwarf star 12 light-years away in the Aries constellation. The exoplanet found, called Teegarden b, has a minimum mass almost identical to Earth. It orbits within the star's habitable zone. And it has a 60% chance of having a temperate surface environment. Surface temperature should be closer to 28°C assuming a similar terrestrial atmosphere. Teegarden b is the exoplanet with the highest Earth Similarity Index discovered so far: 95%. This means that it has the closest mass and insolation to terrestrial values. Source: https://www.youtube.com/watch?v=eNGXerXGnjo 8 2 Link to comment Share on other sites More sharing options...
freetoroam Posted June 18, 2019 #2 Share Posted June 18, 2019 Still a lot of observing needed to find out more about the planets or planet. Quote "stellar rotation would probably only mimic the orbit of one planet, not two planets, so at least one of the planets is probably real,” “If there really are planets around the star, and the authors got their orbital periods wrong, the planets are still planets.” https://www.google.com/amp/s/relay.nationalgeographic.com/proxy/distribution/public/amp/science/2019/06/two-potentially-life-friendly-planets-found-12-light-years-away-teegardens-star But on this note, much closer to home is the possibility of a life form on one of Saturns moons, Enceladus: Quote This discovery means the small, icy moon Enceladus might have a source of chemical energy that could be useful for living microbes, https://earthsky.org/space/saturn-enceladus-cassini-habitable-hydrogen All fascinating. 4 1 Link to comment Share on other sites More sharing options...
zep73 Posted June 18, 2019 #3 Share Posted June 18, 2019 It takes 20,000 years to travel 1 (one) light year! So this is a 240,000 year venture. Good luck. 4 2 Link to comment Share on other sites More sharing options...
Piney Posted June 18, 2019 #4 Share Posted June 18, 2019 40 minutes ago, sci-nerd said: It takes 20,000 years to travel 1 (one) light year! So this is a 240,000 year venture. Good luck. Given it isn't stripped of it's atmosphere by a flare and tidally locked because it once had some sort of ocean. HZs around red dwarfs aren't. 5 2 Link to comment Share on other sites More sharing options...
Golden Duck Posted June 19, 2019 #5 Share Posted June 19, 2019 4 hours ago, sci-nerd said: It takes 20,000 years to travel 1 (one) light year! So this is a 240,000 year venture. Good luck. So the Chinese will take the lead on this? 2 1 3 Link to comment Share on other sites More sharing options...
Orphalesion Posted June 19, 2019 #6 Share Posted June 19, 2019 (edited) If that place is really called Teegarden/Teegarden's Star...then I wanna move there. Doesn't matter how inhabitable it is, I wanna move there and open a tea restaurant which I will call "The Tea Garden at Teegarden's" Edited June 19, 2019 by Orphalesion 3 Link to comment Share on other sites More sharing options...
freetoroam Posted June 19, 2019 #7 Share Posted June 19, 2019 31 minutes ago, Orphalesion said: If that place is really called Teegarden/Teegarden's Star...then I wanna move there. Doesn't matter how inhabitable it is, I wanna move there and open a tea restaurant which I will call "The Tea Garden at Teegarden's" How fantastic. I would like to invest, can you tell me how long before i can get a return on my investment? Lets start with a tenna investment, to be on the safe side. 2 1 Link to comment Share on other sites More sharing options...
freetoroam Posted June 19, 2019 #8 Share Posted June 19, 2019 Actually, make it a fiver. 1 3 Link to comment Share on other sites More sharing options...
Orphalesion Posted June 19, 2019 #9 Share Posted June 19, 2019 1 hour ago, freetoroam said: How fantastic. I would like to invest, can you tell me how long before i can get a return on my investment? Lets start with a tenna investment, to be on the safe side. I'm not too sure yet. But c'amaaaaaaaaaaan with a name like that, you know it's gonna be a success! 2 Link to comment Share on other sites More sharing options...
Stiff Posted June 19, 2019 #10 Share Posted June 19, 2019 1 hour ago, Orphalesion said: If that place is really called Teegarden/Teegarden's Star...then I wanna move there. Doesn't matter how inhabitable it is, I wanna move there and open a tea restaurant which I will call "The Tea Garden at Teegarden's" It would be even better if your name was Tony Garden. Then you could call it 'T. Gardens' Tea Garden at Teegarden's'. 2 Link to comment Share on other sites More sharing options...
Orphalesion Posted June 19, 2019 #11 Share Posted June 19, 2019 Just now, Stiff said: It would be even better if your name was Tony Garden. Then you could call it 'T. Gardens' Tea Garden at Teegarden's'. Good point, but well, since this is my future now, I can just change my name. 2 Link to comment Share on other sites More sharing options...
Golden Duck Posted June 19, 2019 #12 Share Posted June 19, 2019 5 hours ago, Orphalesion said: If that place is really called Teegarden/Teegarden's Star...then I wanna move there. Doesn't matter how inhabitable it is, I wanna move there and open a tea restaurant which I will call "The Tea Garden at Teegarden's" https://www.visitnsw.com/destinations/north-coast/forster-and-taree-area/tea-gardens 1 Link to comment Share on other sites More sharing options...
AllPossible Posted June 19, 2019 #13 Share Posted June 19, 2019 Crazy part is if/when we get to these planets they may not even be habitable. 12.5 light years is a few hundred of our years, maybe more. Awesome discovery but nobody in ours, kids, grandkids etc will ever get to experience. Even if everything worked out with the trip it's still a risk 1 Link to comment Share on other sites More sharing options...
alfa015 Posted June 20, 2019 Author #14 Share Posted June 20, 2019 On 19/6/2019 at 12:23 AM, freetoroam said: Still a lot of observing needed to find out more about the planets or planet. But on this note, much closer to home is the possibility of a life form on one of Saturns moons, Enceladus: All fascinating. Thanks for the links! Link to comment Share on other sites More sharing options...
Imaginarynumber1 Posted June 20, 2019 #15 Share Posted June 20, 2019 6 hours ago, AllPossible said: Awesome discovery but nobody in ours, kids, grandkids etc will ever get to experience. We don't know that for certain. Someone in 1919 never would believe that in just 50 years we would land on the moon. Or much less a hundred years later cellphones, internet, self driving cars, etc. We don't know where technology will be. 2 1 Link to comment Share on other sites More sharing options...
alfa015 Posted June 20, 2019 Author #16 Share Posted June 20, 2019 Btw the paper of the discovery: https://www.aanda.org/component/article?access=doi&doi=10.1051/0004-6361/201935460 1 Link to comment Share on other sites More sharing options...
AllPossible Posted June 20, 2019 #17 Share Posted June 20, 2019 (edited) 6 hours ago, Imaginarynumber1 said: We don't know that for certain. Someone in 1919 never would believe that in just 50 years we would land on the moon. Or much less a hundred years later cellphones, internet, self driving cars, etc. We don't know where technology will be. I completely agree unfortunately those discoveries are in the planet & work well on our planet. Travelling Trillions of miles in a hostile environment for generations just to reach a planet is very far away from what we have available. Don't get me wrong I love astronomy & the idea of us exploring space but we have just stumbled upon it. It will take 100s+ years for it to be a serious thing. Sending a rover to another planet in our solar system awesome. Sending humans out of our solar system is a whole new mindset Edited June 20, 2019 by AllPossible Link to comment Share on other sites More sharing options...
TripGun Posted June 20, 2019 #18 Share Posted June 20, 2019 So its only 18+ trillion miles, see you all there in four hundred and eleven thousand years Link to comment Share on other sites More sharing options...
TonopahRick Posted June 30, 2019 #19 Share Posted June 30, 2019 Drop me a post card, I can't go. Link to comment Share on other sites More sharing options...
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