Tardigrades

I have so much respect for these critters. I’m collecting photos of them on my PINTEREST site as I start thinking about the new novella.

 

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Tardigrades Make the Best Aliens

tardigrade_1In the Sentients of Orion series, I use tardigrades as my aliens. As you can see here on Astronomy Picture of the Day website, they truly are perfect for it. Here is why I picked them – in APOD’s words:

“Is this an alien? Probably not, but of all the animals on Earth, the tardigrade might be the best candidate. That’s because 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. The far-ranging survivability of these extremophiles was tested in 2011 outside an orbiting space shuttle. Tardigrades are so durable partly because they can repair their own DNA and reduce their body water content to a few percent. Some of these miniature water-bears almost became extraterrestrials recently when they were launched toward to the Martian moon Phobos on board the Russian mission Fobos-Grunt, but stayed terrestrial when a rocket failed and the capsule remained in Earth orbit. Tardigrades are more common than humans across most of the Earth.” (taken from APOD site)

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