Mirfak is the brightest star in Perseus and is visible even from light-polluted locations. This star is a member of the Alpha Persei Moving Cluster of stars.
When a year with 365 days starts on a Sunday, like 2023, it's inevitable Friday the 13th will occur twice. In 2023 Friday the 13th comes in January and October.
Every year around August 23, you can see the sun and Regulus in conjunction. But you won't see them, because they travel across the sky in the daytime.
We're talking about how many minutes it takes for the body of the sun to sink below your western horizon. Longest sunsets take place around the solstices.
Bruce McClure served as lead writer for EarthSky's popular Tonight pages from 2004 to 2021, when he opted for a much-deserved retirement. He's a sundial aficionado, whose love for the heavens has taken him to Lake Titicaca in Bolivia and sailing in the North Atlantic, where he earned his celestial navigation certificate through the School of Ocean Sailing and Navigation. He also wrote and hosted public astronomy programs and planetarium programs in and around his home in upstate New York.
EarthSky Newsletter
Nearly half a million daily subscribers love our newsletter. What are you waiting for? Sign up today!
Join now to receive free daily science news delivered straight to your email.