Planetary Habitability? It's What's Inside That Counts

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Planetary Habitability? It's What's Inside That Counts

Postby southwestforests on Sun 05 May 2019 06:58

With planetary habitability indexes being a thing in Starfire, this might be of interest;
Planetary Habitability? It's What's Inside That Counts
by Staff Writers
Washington DC (SPX) May 03, 2019 ... s_999.html
Which of Earth's features were essential for the origin and sustenance of life? And how do scientists identify those features on other worlds?

A team of investigators with array of expertise ranging from geochemistry to planetary science to astronomy published this week an essay in Science [] urging the research community to recognize the vital importance of a planet's interior dynamics in creating an environment that's hospitable for life.
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Re: Planetary Habitability? It's What's Inside That Counts

Postby Vandervecken on Sun 09 Jun 2019 04:18

Yes, having an active (but not hyper-active) magnetic field is necessary for higher life forms living on top of the crust of a world, but a geologically active interior of a Iced over world may not need such a strong field to have life (possibly even up to intelligent life). And non-carbon based life may actually need to not have a active field [or a super powerful one]to get the type of energy that will do the trick that makes them thrive. (Can't rule it out even though energy transport is a tricky thing stability- wise with non-Carbon proxies in some of the most common hypothetical alien biologies proposed.)

Still, is a fascination insight to just how special our world is. But with billions of candidate planet just in our Galaxy ...
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