It all starts with curiosity, we already know what a biomarker is.

The controversy is served; Let's see if the researchers' controversy is clarified and they decide what is a biomarker and a technomarker, because there is that too; Imagine if there were a civilization that was watching us with a telescope, they could see us, a technological civilization with technology like ours, with a satellite similar to James Webb, for example, could capture the Earth, analyze the Earth's atmospheric gases and realize that it is a planet with life.

But in addition, if it were less than 100 light years away it could begin to capture technosignatures, which are a type of gases, what we vulgarly call pollution here on Earth, but they are gases that our industries produce and that can only be the product of technological activity.

For example, the famous CO2 would not work because that is also produced by volcanoes, they are very specific gases and it is also up for debate, by the way, which technosignatures would be the best to be able to search for exoplanets when we have more powerful space observatories. SETI is an organization that has been doing this for years and has very good work on the subject.

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! The truth will set us free and science is the one that is closest to the truth!

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