Comet Lemmon might be the brightest comet of 2025. It could become bright enough to see with your eye alone in late October and early November. The post Comet Lemmon might be the best comet of 2025 first appeared on EarthSky.| Space | EarthSky
The constellation Virgo the Maiden is easy to find by using the handle of the Big Dipper to arc to Arcturus in Boötes, then speeding on (or spiking down) to Spica, Virgo’s brightest star. Image via EarthSky.Millions come to EarthSky for night sky news and trusted science. Your donation keeps it free and accessible for all.| EarthSky
Even though our eyes see the star Spica as 1 star, it’s really at least 2. And we see it as distinctly blue-white. Photo by Fred Espenak at AstroPixels. Used with permission.Spica is a close double star| EarthSky
The brightest stars to the eye are 1st magnitude, and dimmest stars to the eye are 6th magnitude. How does stellar magnitude work in astronomy?| EarthSky | Updates on your cosmos and world
Our Editor-in-Chief Deborah Byrd works to keep all the astronomy balls in the air between EarthSky's website, YouTube page and social media platforms. She's the primary editor of our popular daily newsletter and a frequent host of EarthSky livestreams. Deborah created the EarthSky radio series in 1991 and founded EarthSky.org in 1994. Prior to that, she had worked for the University of Texas McDonald Observatory since 1976, and created and produced their Star Date radio series. She has won a ...| earthsky.org
The sun in extreme ultraviolet, with a false color green. Do stars look green? Scientists say no, but observers swear Zubeneschamali, in the constellation Libra the Scales, does look green. Image via SOHO/ ESA/ NASA.Zubeneschamali (Beta Librae) is the brightest star in the constellation Libra the Scales. It’s only a touch brighter than the other bright star in Libra, called Zubenelgenubi. Modern observers – and we’re talking about professional astronomers now – often say that the star...| EarthSky
