Day side of Venus now covering more area - as seen in Earth's sky - than at any other time during this morning apparition. So Venus is now at its brightest!
You might spot the moon after sunrise on April 18 or 19, high in the sky. Did you know a last quarter moon is slightly fainter than a first quarter moon? Learn why here.
Mars and the Pleiades star cluster will fit (or nearly fit) in the same binocular field all this week. They'll come closest together on the sky’s dome on or near April 22.
From anywhere on Earth - on the mornings of April 15, 16 and 17 - Saturn will be a bright golden object near the waning gibbous moon. The red star Antares is also nearby.
Tau Boötis was the first star, other than our sun, ever seen to undergo a magnetic field reversal. This post also includes 2 great videos about our sun's magnetic reversals.
Full moon comes on April 11 at 6:08 UTC. For the Americas, that means full moon happens tonight. As the 1st full moon of northern spring, it fixes the date of Easter Sunday.
Bruce McClure served as lead writer for EarthSky's popular Tonight pages from 2004 to 2021, when he opted for a much-deserved retirement. You can still find many articles at EarthSky.org that were originally written by Bruce, and which the EarthSky editors still update regularly. Bruce is 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. Bruce he loves cycles of all kinds! You can still find many articles at EarthSky with Bruce's name on them, exploring the various, intricate cycles of the sky.