Get ready for March's "Blood Worm Moon," a phenomenon that will make the moon appear red during a total lunar eclipse.
A Worm Moon is the last full moon of winter. It heralds the arrival of spring. Native Americans named it this for the trails that worms would leave in the warming ground.
A total lunar eclipse on March 13-14, 2025, will occur with the Worm Moon naming it a Blood Worm Moon and will unfold over six hours, offering skywatchers a changing view as the moon moves through Earth's shadow. The most dramatic phase—the total eclipse—will last 66 minutes, giving plenty of time to witness the moon's eerie transformation into a deep red. The full moon reaches peak illumination at 2:55 a.m. ET on Friday, March 14.
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