
Planet 9

Planet 9
- When
- –
- Where
- Southworth Planetarium, Science Building
70 Falmouth St, Portland, ME
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- Cost
- $9–$9.50
- Listed by
- USM Calendar of Events
- Last updated
- October 17, 2026 · 10:15 AM
Southworth Planetarium show: follow Caltech's Mike Brown and his team as they uncover dwarf worlds — the remarkably bright Eris, the egg-shaped, fast-spinning Haumea, and far-flung Sedna.
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