The third star in the system, a red dwarf called Proxima Centauri, is thought to be about 4.22 light-years distant and is actually our sun’s closest neighbor.
Arcturus is cutting perpendicularly through the galactic disk at a tremendous rate of speed – some 150 kilometers per second.
Thuban was the Pole Star some 5,000 years ago, when the Egyptians were building the pyramids.
Spica is a binary star, with two stars larger and hotter than the sun, telescopically indistinguishable from a single point of light.
Mizar and its fainter companion star Alcor are located in the handle of the Big Dipper. They are one of the sky’s easiest-to-spot double stars.
The star Cor Caroli, or Alpha Canum Venaticorum, is a binary star and the brightest star in the northern constellation Canes Venatici.
If you’re in the U.S., you must be at about New Orleans’ latitude to glimpse it. From the southern hemisphere, Mimosa is a prominent and beloved star.
Blue Acrux shines as the brightest star in the constellation Crux the Southern Cross.
Meet Regulus, brightest star in Leo the Lion, soon to be covered by an asteroid in the best and brightest asteroid occultation ever predicted for North America.