I am not sure I believe in aliens. I require harder evidence before I make such decisions. One could theorize that we could be the first intelligent life, since we have seen zero evidence of it elsewhere. It is a far reaching topic that I find interesting. SciShow gives their view that if aliens exist, can they even see us?
Scientists have worked out how likely it is that distant planets can see earth, and we are learning new ways to study the magnetic fields of galaxies.
Host: Hank Green
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