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Why the Aliens Are Not Here

Updated on January 4, 2019
tamarawilhite profile image

Tamara Wilhite is a technical writer, industrial engineer, mother of two, and published sci-fi and horror author.

Where Are the Aliens?

Here are a few reasons why the aliens aren’t here (yet). This list is by no means complete, so feel free to give your own reasons in the comments as to why the aliens haven't shown up.

Why We Haven't Had Contact with Aliens

  • The universe has more aquatic worlds than ones with sizable land masses. We’re surrounded by ocean worlds populated by smart squid that will never leave their world, much less contact ours.
  • They’re evolving in an environment that precludes ever leaving, such as any aliens developing under Europa’s icy shell or in the atmosphere of gas giants.
  • The aliens drop by every few million years, and the last time they were here, cave people just looked like another species of walking chimps.
  • They visited a couple times when the dinosaurs were running around and think the Cretaceous–Paleogene will take another billion years to recover from before it is worth visiting again.
  • They sampled our biosphere eons ago and consider our world too toxic; they’ll never make contact for fear they’d spread oxygen spewing bacteria to other worlds.
  • The aliens are waiting for our signal and are a million light years away. They’ll hear us – in a million years – if our signals are strong enough to still be heard over the interstellar noise.
  • They’re listening for a sure sign of intelligent life, a signal on frequencies overshadowed by natural RF output from Jupiter or the Sun.

Source
  • The aliens were next door but died out a million years ago. We’ll never know they even existed unless we find their remains and can understand them. And that’s assuming they’re on a world we could actually visit.
  • The aliens have a technological base that precludes space travel, such as a biological industrial base. They could build cities and civilization but not space ships.
  • The aliens have too small of a population. They might be incredibly smart, but if they’re as concentrated in a small area as koalas, they’ll never leave their world and are unlikely to develop advanced technology.
  • They are close enough to detect our signals but don’t care.
  • We’re literally the wrong kind. They only consider hydrogen-breathers, reptiles or carbon dioxide breathers intelligent.
  • They’re listening / watching for a type of signal we can’t or won’t ever produce. For example, they’ll only visit when they see our sun start to be surrounded by a Dyson sphere.
  • Their biochemistries are so slow that we live in the fast lane. They’re running off liquid helium or methane, and we’re literally too fast to ever make contact with.
  • They had technology and collapsed in an apocalyptic disaster; by the time they’re able to listen again, our civilization has collapsed.
  • They send probes through planetary systems every so often but never land, much less make contact. Safer for everyone that way, and cheaper, too.
  • That weird looking bug you ignored last week? That’s them tracking what we’re doing.
  • All the action is around the galactic core. No one comes out to the boonies, the Galactic Rim, and the rare species that evolve here don’t develop interstellar travel because it takes too long to be worth it.
  • Aliens did show up, seeded life, and left. That’s all they cared to do.
  • There are no other advanced species. The Great Filter is the once in our planet’s history accident that created complex cellular life. The rest of the galaxy has only single celled goo.
  • They know we’re here but won’t show up until it is proven necessary to wipe out the competition.
  • Their interdimensional portals weren’t recognized by early people beyond a mention in religious literature, and we’ve missed our only opportunity for the next 20,000 years.
  • They saw our reality TV shows and decided there is no intelligent life here.

© 2018 Tamara Wilhite

Comments

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  • jimagain profile image

    Jim Henderson 

    14 months ago from Hattiesburg, Mississippi

    I loved this. Your answers were very well thought out. I thought many were very clever, such as the hydrogen-breathers, etc.

    And I fear, the last answer was the correct one!

  • Tim Truzy info4u profile image

    Tim Truzy 

    2 years ago from U.S.A.

    Hi, Tamara,

    Another interesting article. I suspect the aliens are here and are not here. They have mastered quantum mechanics, being able to be in two places at once.

    We have a clue of this in our religious texts when the Bible explains that ask anything in this reality and it is done in Heaven. (That sounds much like the quantum effect of transposition.)

    Another possibility: They are here and we can't see or hear them. This is not shocking. We cannot readily see infrared or ultraviolet waves, radio waves, magnetic waves, etc. We cannot hear what our dogs hear either. Our

    five senses evolved to give us information about the immediate environment, and so many things are unknown to us.

    Or Tamara, we are just boring, as you said.

    In any case, much to think about.

    Fun article and well written.

    Much respect and admiration,

    Tim

  • maven101 profile image

    Larry Conners 

    3 years ago from Northern Arizona

    Interesting subject...Easily answered...TIME is the reason we haven't been visited by extra-terrestrials...Consider for a moment time as experienced by the Universe...1 billion years of our time is a nano-second in the vastness of space and time... Of all the gin joints in the Universe (excuse me, Humphrey) the idea that an alien species, within our tiny quarter of space, would develop advanced technology that would allow them to "Star Trek" and schlep around during our time of human development is beyond feasibility...perhaps in 5 billion years from now, when our Earth is a burnt up husk, they will visit an wonder if life ever existed on this withered ball of cosmic dust still circling a dead star...

  • profile image

    Lloyd Leipler 

    3 years ago

    An interesting read. I lean very heavily toward 'There are no other advanced species.' I happen to believe in a creator; that this was not an accident. Sure, that belief does not preclude there being other created advanced species elsewhere, but that idea just doesn't fit with what I know about my creator. It is a shame that belief in a creator relegates me in the eyes of some to a class of people that can't possibly have anything intelligent to contribute. I find that when I start with the notion of an intelligent being behind all the wonder we behold everything makes sense. I mean, the evidence supports that notion whereas it does not support the notion of 'The Great Filter' mentioned above. Ah, but perhaps this is all just meant to be sci-fi material. It is very well written for that genre IMO.

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