Planet 9

Planet 9

Saturday, October 17, 2026
1:00 PM – 2:00 PM EDT
Southworth Planetarium, Science Building70 Falmouth St, Portland, ME
$9–$9.50
Last updated October 17, 2026 · 10:15 AM
Planet 9
Event endedThis event took place on Sat, Oct 17, 2026

Planet 9

When
–
Where
Southworth Planetarium, Science Building
70 Falmouth St, Portland, ME
View on map
Cost
$9–$9.50
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.