Space is huge and there are more stars than you can count

[Oh_hunnihunni]

Hope Channel = Seventh Day Adventist.  Creationism = the opposite of Darwinism.    Beats me how anyone can defend anything shown on that channel, especially offerings based on Christian fundamentalism.

Channels purchase content. Of  course they have an interest in the type of content, but not all of these special interest channels show content that is designed to convert the viewer. Like that history of Science Fiction I came across, it was fascinating, and while it swung eventually to an examination of Christian sf, the early parts of it were right up my alley. I think we need to be a bit  careful when we discount wholesale,  everything shown on any channel because of our personal politics or faiths or culture or whatever. I have a neighbour who stopped talking to me when she heard I regularly check Al Jazeera. Because it might be Muslim...

As I said, we don't catch cooties from brief forays into these services. Not everything they show is crap.

Unless of course it is Fox. We need to mask and glove up to watch that crap...

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You are theorising based on your own (a human's) abilities and experience.

Firstly the species on Earth are carbon based lifeforms. This may well not be the case for those from other galaxies, or even planets, where 'life' may not necessitate having a physical manifestation.

Secondly we 'see' in a relatively narrow segment of the electromagnetic spectrum so an alien may well be in our midst without being detectable using our sight if their realm is present outside of our visible light spectrum. That's if they even exist in a physical form (of a scale) that we recognise.

Lastly we don't have active communication with many lifeforms in our own environment (invertebrates, bacteria, fungi, etc) so why would we readily have the ability, or inclination, to do so with those from outside our current sphere of awareness?

That's an interesting line of thought; we could actually be in contact with aliens without realising that they are aliens.

Fog, for example could be an alien life form - which we've somehow simply mist.

Sorry, sorry - completely unable to resist!

We might be the aliens...