Question

How do microrganism Tardigrade live in space?

Answer 1

Tardigrades can survive the vacuum of open space and solar radiation combined for at least 10 days. Some species can also withstand pressure of 6,000 atmospheres, which is nearly six times the pressure of water in the deepest ocean trench, the Mariana trench.
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Answer 2

A special adaptation allows the tiny animal known as the tardigrade to curl up into a dry, lifeless ball and survive for decades

It turns out that the adaptation that allows tardigrades to live through these trying conditions is their ability to enter a dehydrated state that closely resembles death. When encountering environmental stresses, a tardigrade curls up into a dry, lifeless ball called a tun, reducing its metabolic activity to as low as .01 percent of normal levels. In order to do so, tardigrades produce trehalose, a special protective sugar that forms a gel-like medium that suspends and preserves the organelles and membranes that make up the animal's cell
As a tun, a tardigrade can survive for decades or even longer; once immersed in water, the body returns to a normal metabolic state over the course of a few hours.

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