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Jun 23, 2025
Starwatch: Celestial conjunction of Moon, Mars, and Regulus
On June 29, look up after sunset for a cool cosmic lineup—Mars, the bright star Regulus, and a crescent Moon will form a striking trio in the evening sky.
This rare sight follows Mars's recent close pass by Regulus earlier in June and can be spotted from almost anywhere on Earth.
TL;DR
Where and when to see the trio
Face west after sunset to catch the show: from London at 22:15 BST, Mars sits east of Regulus with the Moon nestled between.
Fun fact—while the Moon's light takes just over a second to reach us, Mars's glow travels about 16 minutes, and light from Regulus has been on its way for 79 years!
It's a reminder of just how vast our universe really is.