... Star-Forming Region RCW38 from 2MASS . ... Proxima Centauri: The Closest Star . ... What is the closest star to our Sun? ... For billions of years, massive stars in our Milky Way Galaxy have lived spectacular lives. ... Follow the handle of the Big Dipper away from the dipper's bowl, until you get to the handle's last bright star. ... Pictured above is a region of sky that was picked because it had, well, nothing: no bright stars, no bright galaxies, and no picturesque nebulas. ...