The Seven Sisters Eclipse occurs when the moon in its waning crescent phase moves across the Pleiades and blocks the stars from view.
The event is not rare and has taken place every month since September 2023. The July 2025 event will occur on July 20 in the early hours of the day.
The Pleiades contain more than a thousand young stars bound together by gravity, the brightest of which can be viewed with the naked eye
On July 20, 2025, stargazers across much of the U.S. and Canada will be able watch as the moon in its waning crescent phase moves across the Pleiades (or Seven Sisters), temporarily obstructing the stars from view.
The event will occur in the early hours and to witness the moon in action, one can look towards the eastern horizon, ensure a clear line of sight, and avoid bright lights as much as possible.
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