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Full Version: Is this a binary solar system, and is Sirius our sun's companion star?
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https://en.wikipedia.org/wiki/Sirius

These so called binary stars are pretty close to each other...

It's more like a star cluster.

If the sun had a binary star, you'd think we'd know about it for sure.
This link addresses "binary" star systems with THREE stars...

https://www.quora.com/How-far-away-from-...inary-pair

So it's plausible that Sirius could be the sun's companion star.