Today is a blue moon.

What is actually a blue moon?

This definition as "the second full Moon in any calendar month with two full moons" started as a mistake in the 1940s and perpetuated by radio shows and the Trivial Pursuit board game in the 1980s.

https://www.rmg.co.uk/stories/space-astronomy/what-blue-moon-how-often-does-it-occur

#bluemoon
#bluemoon2026
#bluemoonMay2026
#moon

8 sky events all stargazers should catch this month

https://fed.brid.gy/r/https://www.optimistdaily.com/2026/05/8-sky-events-all-stargazers-should-catch-this-month/