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It was during an era when western governments generated fear of the spread of communism, so visitors from outer space were more often than not portrayed as menaces, bringing peril rather than hope.

“We definitely want to ensure that we have continued and safe access to outer space,” Boley says.

Luckily for them, by the time that happens the tardigrades may well have hitched a ride into outer space and traveled well beyond the sun’s overheated grasp.

"Whether it's the future, or going into outer space, humans must live genuinely human lives," he said.

And, of course, to simulate the experience of viewing those waters from outer space.