In the most scientific way possible? How real is the possibility that there might actually be alternative universes?

vis4valentine@lemmy.ml to No Stupid Questions@lemmy.world – 74 points –
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There are multiple solar systems

There's only one solar system in the universe.

Reference: https://science.nasa.gov/solar-system/facts/

I'm confused, are you saying there's only one solar system because we've only really named our planetary system the "solar system" ?

Not to be rude but that seems pedantic because there's more than one definition and according to Merriam Webster

solar system noun: the sun together with the group of celestial bodies that are held by its attraction and revolve around it also : a similar system centered on another star

Meanwhile, elsewhere on the same site, over here https://spaceplace.nasa.gov/other-solar-systems/en/ says:

Our solar system is just one specific planetary system—a star with planets orbiting around it. Our planetary system is the only one officially called “solar system,” but astronomers have discovered more than 3,200 other stars with planets orbiting them in our galaxy.

Genuinely curious to learn as I do not know a lot about this stuff and feel like I am missing something?

This is a case of a term that was until recently specific but is now becoming a more general term.

While planets orbiting other stars has been talked about for centuries, it is only in the past few decades that we have been able to confirm their existence.

So, up until then Solar system was a term that described our solar system as it was the only one known to exist.

There's only one solar system in the universe as it is the system of Sol (the Sun), our local star.

Other terms such as solar mass, solar wind, solar nebula, solar atmosphere, and solar flare likewise relate to Sol.

Yes, there's only one solar system in the universe as it is the system of Sol (the Sun), our local star.

Other terms such as solar mass, solar wind, solar nebula, solar atmosphere, and solar flare likewise relate to Sol.