human contamination of other plants/moons

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I just don’t understand it. I read about the planned mission to titan, and immediately thought we’d ruin another place, buuuut, space is a vacuum with a lot more UV exposure. What am I missing?

Thanks for your help.

In: Biology

Your terms are more emotive than objectively descriptive.

What is contamination?

What is human contamination?

What is ruin?

So you’re sort of biasing a question by including subjective (emotive) terms and asking for a conclusion. The only conclusion that makes sense to you is therefore your own conclusion. Why would anyone else know what YOU mean by “ruin”?

There’s a microscopic little guy named the tardigrade, also known as the water bear. It’s a microscopic animal that can survive near any environment to include the vaccum of space.

These things are quite literally everywhere on Earth and when we send out spacecraft, they tend to hitch a ride unintentionally.

Basically, the idea of destroying sattelites we send out is to prevent microscopic beings like these guys from going out there and destroying other celestial bodies’ possible ecosystems. Like a rat on a ship, they could become invasive species to a habitat that has no defense against them and ruin all the things.

There are microorganisms on earth that can survive in extreme environments. The issue of contamination is basically contaminating other locations across the solar system with earth “stuff”.

Essentially the way it works is that some places in the solar system are habitable for life. If we introduce particles or microorganisms into these locations it makes it hard to tell whether life we see originated there or came from Earth. There are other issues as well that are considered from a scientific and “moral” standpoint.