* Arcturus, Sirius, Altair, and Betelgeuse are all bright stars, but they are relatively far away.

* The closest star to our solar system is Proxima Centauri, a red dwarf star in the Alpha Centauri system. It is only about 4.24 light-years away.

Let me know if you'd like to learn more about Proxima Centauri or other nearby stars!