Serious Life on Venus? Large amounts of phosphine gas suggests possible life.

Discussion in 'Current Affairs' started by spalius, Sep 14, 2020.

  1. constantdisplay

    constantdisplay Molecule

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    trying to comprehend
     
  2. Mesa

    Mesa Molecule

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    im so glad to have been born at the right time to see the first humans land on a different planet
     
  3. Mute

    Mute Rictal-Approved
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    1x optimistic
     
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  4. Mesa

    Mesa Molecule

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    "In November 2015, Administrator Bolden of NASA reaffirmed the goal of sending humans to Mars. He laid out 2030 as the date of a crewed surface landing, and noted that planned 2020 Mars rover would support the human mission."

    we'll see it at some point in our lifetime
     
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  5. Deathwolf

    Deathwolf Rictal-Approved

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    if they're younger than us. we need to work to find their race's equivalent of @Smallfries family tree, and wipe them out whilst we have the chance
     
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  6. Smallfries

    Smallfries [adjective/insult]fries
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    smiley face
     
  7. Postal

    Postal Atom

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  8. Trains

    Trains ms paint artist extraordinaire
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    YOOOOOOOOOOO
     
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  9. dallahan

    dallahan a bad memer

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    bro ive never thought about it this way

    big brain moment
     
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  10. spalius

    spalius Nucleus
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    what's cool is that an observer from Andromeda could look at Earth by building a very large telescope and see... what was happening 2 537 000 years ago, give or take a few

    they wouldn't even know that there is an intelligent species out there yet, all they would see is some weird apes walking around
     
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  11. Trains

    Trains ms paint artist extraordinaire
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    what’s to say their physics are the same as ours? what’s to say they even adopt a physical life form?

    what’s possible in other galaxies and potentially even other universes if they exist truly scrambles my mind. it’d be incredible to find real evidence of alien life or different universes but with our technology it’d be pointless

    with their technology? who fucking knows
     
  12. spalius

    spalius Nucleus
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    It's possible (not really possible to calculate the likelihood, though) that their physics could be different because they might live in a, say, true vacuum bubble. A place in space where laws of physics are wildly different than in the false vacuum which we live in. (by the way, this true vacuum expands at light speed and can consume everything, but wont because of the expansion of the universe)
     
  13. Mesa

    Mesa Molecule

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    what planet in the solar system would you go to
     
  14. aperson

    aperson Molecule

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    the one with air
     
  15. dallahan

    dallahan a bad memer

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    the one thing that pisses me off is that scientists state that 'without water, theres no life'

    who the fuck would know that aliens need water to survive

    they could be slurping on a substance we know jack shit about and still live
     
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  16. big chungus

    big chungus Nucleus

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    Fr bruh, aliens could just be sentient farts
     
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  17. dee pixel

    dee pixel jesus christ denton
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    pluto :^)
     
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  18. Yurrie

    Yurrie Molecule
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    i'd like to think aliens are little silly green/gray men and the media's interpretation of them is accurate either by coincidence or a previous encounter
     
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  19. Smallfries

    Smallfries [adjective/insult]fries
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    as I understand, water is absolutely NECESSARY to any life, especially complicated life, because of four main factors

    first, it is incredibly abundant (being made out of two of the most common elements in the known universe), so by nature of their abundance and how easily they combine to make water, it would be simple for life to utilize it as a resource

    second, water is incredibly versatile and can be found in nature in all three common forms - solid, liquid, and gas. this is important, mostly because the latter two forms are conducive to nearly all aspects of chemistry and biochemistry. Take it at the cell level - living cells exist as a thing wrapping of solid material, keeping out the rest of the world, with their organelles (essentially super tiny cell organs that help them live) suspended in a mostly water-based fluid called cytoplasm. Water is also special because in this instance most of the outside world is made of water as well (in the context of sea life, which is where the vast majority of life is on earth and where life really started) making it easy to transport materials in and out of the cell, such as food, waste, and building block materials.

    third, the chemistry of water and how it is formed means that it is incredibly polar, meaning that it is a near universal solvent - unlike just about any other material I can think of, and of those that may be similar none are nearly as common. This means that, as stated above, atomic level particles such as phospate ions, sodium, calcium, carbohydrates, etc., can dissolve within them and easily transported to and from a cell.

    fourth, while not a DEFINITE fact, it is theorized that life came to earth originally from a/multiple icy comet(s) containing proto-biotic molecules that would eventually give way to life. throughout their journey through the cosmos, however, the radiation ubiquitous throughout space due to stars would likely have killed them off - if not for the icy covering that shielded them, until they finally landed on earth. this theory is called panspermia, and is typically the best (in my opinoin) theory of how life arrived on our planet

    there are other materials which can fill the above mediums - that being, liquid to allow for suspension and easy consumption, as well as solvency to make it simple for materials to be carried in and out of cells, which are a universal property of life. The two most promising candidates are ammonia and methane, however, ammonia - while polar like water, and relatively abundant - has yet to be found in any large body, and methane, though not polar, is able to dissolve many substances - but is only liquid in extremely cold temperatures(-182 degrees celsius). However, large bodies of liquid methane have been discovered on the saturnal moon of Titan, and if we find any kind of life there it proves that water is not the only medium of life - however it is unlikely given how cold it NEEDS to be unless some other mechanism of creating biotic energy that we don't typically think of or even know of besides c3-4 photosynthesis is used by said theorhetical methane based life.

    until then, water is indeed necessary to life - not because we KNOW that it is so, but we don't have any evidence so far to the contrary, and it's most convenient with how we understand things now. Perhaps the conditions for life can be met with an entirely new set of chemicals, agents, solvents, and processes that we dont even know, but it is highly unlikely. But only time will tell
     
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  20. Mesa

    Mesa Molecule

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    [​IMG]

    the last photo taken by voyager 1 as it left the solar system - the pale blue dot is earth, 3.7 billion miles away
     
    #40 Mesa, Sep 18, 2020
    Last edited: Sep 18, 2020
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