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buy canada goose jacket The announcement yesterday canada goose outlet germany of the discovery of the closest Earth sized planet found so far that also exists in the habitable zone around its star is certainly exciting (read our previous article for all the details). Gliese 581g is surely a potential habitable planet where liquid water could exist on the planet’s surface, and many are touting the old adage of where there’s water, there’s life. However, some quotes from canada goose outlet hong kong one of the scientists involved in the discovery might be feeding some wild speculation about the potential for life on this extrasolar planet and elsewhere. “Personally, given the ubiquity and canada goose outlet real propensity of life to flourish wherever it can, I would say, my own personal feeling is that the chances of life on this planet are 100 percent,” said discoverer and astronomer Steven Vogt during a press briefing yesterday. “I have almost no doubt about it.” buy canada goose jacket

canada goose coats on sale Yes, that is an exact quote. canada goose outlet toronto He really used those words. He also said that it would be pretty hard to imagine that water wouldn’t exist on the planet, given the ubiquity of water in our solar system and beyond, and the habitable region in which this planet orbits. canada goose coats on sale

canada goose clearance sale Also participating in the briefing was Paul Butler of the Carnegie Institution of Washington, which provided funds for the observations at the Keck I telescope, and his comments were more tempered. canada goose clearance sale

canada goose store “Any discussion of life on at this point is purely speculative,” Butler said. “What we know is that this planet exists at the right distance for liquid water it has the right amount of mass to hold on to its atmosphere and any liquid water on the surface. So any subsequent discussion of life there is purely speculative. That being said, on canada goose outlet in montreal the Earth anywhere you find liquid water you find canada goose outlet uk life in overwhelming abundance. The question should be, if this planet has liquid water, how can you rule out life canada goose outlet washington dc doesn’t exist? It is pretty probable that anywhere you find liquid water pooling, that you would find life existing.” canada goose store

Canada Goose Parka Are Vogt’s claims too extreme, canada goose outlet store calgary or were they made in exhilaration during an exciting announcement? This has been a topic of debate on Twitter this morning. Some wondered if Vogt had been misquoted, and many expressed that Vogt’s words may fuel off the deep end speculation about the certainty of life on another world. Canada Goose Parka

“Until we know more about this planet and the origin of life itself, any claim of certain habitation is idiotic and does not serve science,” said Dr. To clarify, he wanted canada goose outlet store near me others to know that he thinks just the claim is idiotic, not the discovery or the people involved.

buy canada goose jacket cheap “As cool as it is, please realize that right now all we really know about it is its orbit and estimated mass. canada goose discount uk “No possible way anyone could know that, surely?” buy canada goose jacket cheap

Many expressed canada goose kensington parka uk excitement over the discovery, canada goose outlet london uk and Stu articulated perhaps the most colorful, which was re tweeted several times yesterday: “Ah, a PROPER planet!” Not a great fat bloated sweaty “Who ate all canada goose outlet uk sale the pies” ‘hot Jupiter’ tearing insanely around its canada goose outlet factory star.”

canadian goose jacket People confuse with and with by humans to clarify. canadian goose jacket

Canada Goose Jackets means it doesn have show stoppers for life, and in a more narrow sense, doesn have show stoppers for life as we know it, meaning anything vaguely similar to what we see on Earth. This is generally taken as support liquid water on the surface while acknowledging that yes, there could be other types of chemistries and life that are not water based. To me, higher magnetic fields than we used to, for example, do not make a planet non habitable. Canada Goose Jackets

canada goose black friday sale means that life developed there. canada goose black friday sale

by humans means that you survive on the surface with reasonable means of protection.

The quote was about habitability, the first criteria, not the other two. Nobody knows if there is life there. Nobody knows if the conditions are good enough for people to survive on it. What they said is that they know for sure it is a rocky planet with the right temperature range, which means there water on the surface. The tidally locked situation just makes it different than Earth, but in no way uninhabitable.

No way is it 100%. There are a number of things which have to be overcome. The canada goose outlet store uk atmosphere can be a hothouse CO_2 atmosphere. This planet could easily be a 300C autoclave envirnoment with maybe 100 torr of pressure. If the atmosphere started out with too littlepressure it could have been lost by now.

This is intriguing however, and there is a chance for life here. If this could be imaged and found to be a double planet with a quick orbital rotation in a tidal lock I would feel even much better. Much more data is needed, including on the chemistry of the atmosphere and if possible a measurement of its blackbody radiation temperature.

Canada Goose sale It is also worth noting Vogt said, are 100%, not that there is a 100% chance for life. I think this amounts to saying one can impose a Bayesian prior estimate to this problem of whether life exists there. The problem is that it is still tough, for we don know what the distriubution of possible planets is. Canada Goose sale

Canada Goose Outlet As an actual astrophysicist I going to leave the speculation as to whether this planet is habitable to people who model atmospheres and stuff. Canada Goose Outlet

What I AM going https://www.canadagoosejacketonlines.ca to comment on is our ability to obtain observations which can clinch the argument one way or another. IT DOES NOT REPEAT NOT EXIST AT THIS TIME. It took 11 years of measurement with a hi res spectrograph on one of Earth greatest telescopes to even tease out the radial velocity signal. 1.6 m/s is a value I have never heard of before, it incredible. Even confirming the existence of this planet has pushed modern techology to the limit.

canada goose Remember the definition of a parsec? At one parsec distance (about 3 ly) one AU subtends one arcsecond in the sky. Gliese 581g canada goose outlet official is six times further away canada goose outlet reviews and less than half as far from its star. That a separation of under 0 for a very small body of uncertain albedo. NOTHING exists that can separate this from the star and actually take a spectrum. canada goose

canada goose coats Face it. Before JWST and the upcoming 30m class of ground based telescopes, nothing more will found out about this canada goose outlet planet. But for sure the canada goose jacket outlet toronto system will be a prime target then. canada goose coats

canada goose clearance I think that the term zone is a misnomer because we have evidence from our solar system that there are 3 planets in this zone, but only one which supports life. As people have mentioned, there are many things that could prevent life from forming no atmosphere, no water, too much atmosphere, poison in the atmosphere, too hot, too cold, etc canada goose outlet vancouver Seems like a huge stretch to say that just because a planet is located in the habitable zone means that it harbours life. Not to mention the fact that each planet system we find destroys all of our models for planetary formation and this planet may be in a form that we haven even considered yet. canada goose clearance

Canada Goose online Considering that Gliese 581g lies within the habitable zone and by the tidal lock in a convective atmosphere will have liquid water conditions somewhere on its surface, it is nearly 100 % certainty it is habitable. A convective atmosphere will naturally give a livable annulus, the circulatory systems will be much more stable than here Canada Goose online.

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