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Thread: Scientists discover Earth-like, water-rich planet: study

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    Scientists discover Earth-like, water-rich planet: study

    Astronomers have discovered a new Earth-like planet that is larger than our own and may be more than half covered with water, according to a study published Wednesday in the science journal Nature.

    The so-called "super Earth" is about 42 light years away in another solar system and has a radius nearly 2.7 times larger than that of our planet, according to the study by the Harvard-Smithsonian Centre for Astrophysics.


    The discovery of the planet, called GJ 1214b, represents a "major step forward" in the search for worlds similar to the Earth, added the University of California's Geoffrey Marcy in a commentary also in Nature.
    The "newfound world" is too hot to sustain life as we know it, said the Harvard-Smithsonian Centre for Astrophysics in a statement.

    Close, but no cigar, but this discovery does lend credence to the belief that life exists elsewhere. Who knows, maybe sometime in the distant future, we may travel to an earthlike place in another solar system. There is also the possibility that someone from another civilization, far removed from Earth, may travel here........

    ......But, alas, he may take a look around, see a Democratic or Republican Congresscritter, and decide that there really is no intelligent life here after all.

    Article is here.
    The ghost of Jack Kevorkian for President's Physician: 2016

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    Re: Scientists discover Earth-like, water-rich planet: study

    Quote Originally Posted by danarhea View Post
    Close, but no cigar, but this discovery does lend credence to the belief that life exists elsewhere. Who knows, maybe sometime in the distant future, we may travel to an earthlike place in another solar system. There is also the possibility that someone from another civilization, far removed from Earth, may travel here........

    ......But, alas, he may take a look around, see a Democratic or Republican Congresscritter, and decide that there really is no intelligent life here after all.

    Article is here.
    It says 'life as we know it'. Life has a way of adapting. And how can a planet that hot be covered in water?

    My question is, how do we get there?

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    Re: Scientists discover Earth-like, water-rich planet: study

    Quote Originally Posted by hazlnut View Post
    It says 'life as we know it'. Life has a way of adapting. And how can a planet that hot be covered in water?

    My question is, how do we get there?
    Since this planet is more than two and a half time the size of the earth, it's mass is therefore more than 6 times that of earth. Therefore, the boiling point of water is going to be much, much higher there, probably more than 500 degrees Fahrenheit. So you can have liquid water that no carbon-based lifeform could ever live in.
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    Re: Scientists discover Earth-like, water-rich planet: study

    Quote Originally Posted by hazlnut View Post
    It says 'life as we know it'. Life has a way of adapting. And how can a planet that hot be covered in water?
    Atmospheric pressure.

    Water boils at 100C on Earth at sea level because the air pressure is roughly 101,000 pa. It boils at a lower temperature in Colorado because the air pressure is lower, and it will boil at a higher temperature in Death Valley because the altitude there is below sea level.

    A planet with 2.5 times the radius has more mass, hence a higher surface gravity, and hence most likely a heavier atmosphere, which will allow water to remain liquid at higher temps.

    Given that there's life at the volcanic outlets on the Earth's sea floor, it's perfectly possible for this planet, known to have water, to have some form of life. No good reason to think it shouldn't.

    At 42 light years away, we don't get there, possibly never.

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    Re: Scientists discover Earth-like, water-rich planet: study

    Part of the reason we detect these "oversize" planets is because our detection methods are too unsophisticated yet to easily find earth-size worlds.

    At 42 light years away, we don't get there, possibly never.
    Maybe never, but maybe not. All it takes is another Einstein-level genius to kick the applecart over and come up with a new theory. Could happen tomorrow, or in 10 or 50 years, or 500 years.

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    Re: Scientists discover Earth-like, water-rich planet: study

    Quote Originally Posted by Goshin View Post


    Maybe never, but maybe not. All it takes is another Einstein-level genius to kick the applecart over and come up with a new theory. Could happen tomorrow, or in 10 or 50 years, or 500 years.
    Another Einstein-level genius won't come till 2130. Trust me I have a fifth sense

    It's such a shame that we can't take a picture of the planet regardless of being this far.

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    Re: Scientists discover Earth-like, water-rich planet: study

    Another Einstein wouldn't necessarily make a difference, we put men on the moon, and sent probes beyond the solar system using Newtonian mechanics.
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    Re: Scientists discover Earth-like, water-rich planet: study

    Its possible we could get some good scientific data. Assuming that casimir-effect based reactionless propulsion is practical, we could send out a probe and wait about 100 years for results.

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    Re: Scientists discover Earth-like, water-rich planet: study

    Quote Originally Posted by danarhea View Post
    Since this planet is more than two and a half time the size of the earth, it's mass is therefore more than 6 times that of earth. Therefore, the boiling point of water is going to be much, much higher there, probably more than 500 degrees Fahrenheit. So you can have liquid water that no carbon-based lifeform could ever live in.
    Didn't you see that movie Evolution? Bout the nitrogen based lifeforms?

    Hey man, it could happen.

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    Re: Scientists discover Earth-like, water-rich planet: study

    Quote Originally Posted by Scarecrow Akhbar View Post
    At 42 light years away, we don't get there, possibly never.
    If we could only find a way to create a space barge that could sustain life, then a couple (hundred) generations down the line, someone will get there.

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