Planet Nine - Photo Credit: Southworth Planetarium

Planet Nine

Follow Mike Brown and his team at CalTech as they discover evidence of a Kuiper Belt object 10 times more massive than Earth, and embark on the search for a new ninth planet far beyond the orbit of Neptune.

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Events > Planet Nine
Southworth Planetarium
96 Falmouth Street
Portland, Maine 04103 United States
About the Event
Presented by
Southworth Planetarium
(207) 780-4249
February 27, 2025

All shows are followed by a tour of the night sky. Reserve your tickets online or purchase at the front desk.

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