Hi again. I was thinking about your post. Whenever there is a discussion about extraterrestrial life, I can't shake the thought that our conception of life is way too narrow-minded. It's certainly natural since we have only one exemplary of life, but we are looking for very anthropomorphized life, when in reality we don't really know what makes matter alive. For us, life is organic, carbon-based. We could conceive a silicon-based life because it's very close to our organic one, but is there really a reason life outside earth should be similar.
The arguments you present are actually showing that this is highly improbable, but different conditions could have created a very different form of life, not just green humans. All the researchers for life forms are based on detections of amino-acids or proteins. Maybe we should review and widen our definition of life form.
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Hi there.Extra terrestrial life probably does exist as simple, microbial-type life which thrive in extremely inhospitable environments such as the extremophiles deep in the earths interior. Intelligent or even a more advanced form is extremely unlikely.
The silicon based life from hypothesis faces two main problems:
On the other hand maybe we just don't understand the science well enough to understand how Silicon based life would work.