If Earth Were Hosting An Alien Species, This Is What It Would Look Like1 min read

The unkillable tardigrade rears its tiny, weird-looking head.

In 2011, the European Space Agency launched Earth’s weirdest creature, the tardigrade, into orbit for twelve days on an unmanned spacecraft. And I mean on the spacecraft–scientists attached the organisms to the outside of the rocket to test just how alien-like the very alien-looking tardigrade is.

Tardigrade



Of course, it isn’t just their looks that make them seem well-suited to the ET lifestyle; as NASA explains, the millimeter-long tardigrades are “known to be able to go for decades without food or water, to survive temperatures from near absolute zero to well above the boiling point of water, to survive pressures from near zero to well above that on ocean floors, and to survive direct exposure to dangerous radiations.” Oh, and “they can repair their own DNA and reduce their body water content to a few percent.”

Which is why NASA selected this picture of a tardigrade as their “Astronomy Picture of the Day.” The image is a color-enhanced electron micrograph.

Source: NASA

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Sebastien Clarke

Astronaut is dedicated to bringing you the latest news, reviews and information from the world of space, entertainment, sci-fi and technology. With videos, images, forums, blogs and more, get involved today & join our community!
Sebastien Clarke
Sebastien Clarke

Astronaut is dedicated to bringing you the latest news, reviews and information from the world of space, entertainment, sci-fi and technology. With videos, images, forums, blogs and more, get involved today & join our community!

One Comment

  1. AvatarCarolyn A. (Cary) Neeper Reply

    Who says Tardigrades are ugly? I like the round thing in his/her? “face.”
    Cute feet, too, but I’m glad they’re still very small.

    Aesthetics aside, these extremeophiles have generated some interesting
    books that speculate on the conditions and chemistry for life
    that might realistically be found outside Earth somewhere.
    “Cosmic Biology” and “We Are Not Alone” by Kirk Schulze-Makuch
    and others. S-M is Associate Professor in Astrobiology at Washington
    State University

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