Friday, September 4:

7:00 p.m. Dinosaurs at Dusk!

8:30 p.m. Eight Planets and Counting: full dome version

Saturday, September 5:

3:00 p.m. Rusty Rocket in Full Dome!

Sunday, September 6:

3:00 p.m. The Little Star That Could: full dome version

September 2015 Planetarium Show Schedule

October 2015 Planetarium Show Schedule

November 2015 Planetarium Show Schedule 


Natural Selection


 From the producers of "Dinosaurs at Dusk"

Debut presentation:  Friday, September 11 at 7:00 p.m.




News & Events

Dinosaurs at Dusk, a whirlwind time travel adventure back to the epoch of the dinosaurs, starts this September at USM’s Southworth Planetarium!
Asteroid contrail over Urals
An asteroid explodes over the Ural Mountains Friday, injuring more than 900
September 4, 2015
7:00 PM to 8:00 PM
Southworth Planetarium
September 4, 2015
8:30 PM to 9:30 PM
Southworth Planetarium
September 5, 2015
3:00 PM to 4:00 PM
Southworth Planetarium
September 6, 2015
3:00 PM to 4:00 PM
Southworth Planetarium
September 7, 2015
1:00 PM to 2:00 PM
Southworth Planetarium

Birthday Parties at the Planetarium!

The planetarium is a perfect place to celebrate a birthday!   Our rates are reasonable; our facility is "spacey"; our staff is beyond friendly; our shows are engaging; and the experience is educational as well as being entertaining.

Portland, ME Tide Chart

Portland Harbor

DATE:  WED, SEPT 2, 2015

HIGH TIDE   - 2:05 a.m.

LOW TIDE    - 8:15 a.m.

HIGH TIDE   - 2:31 p.m.

LOW TIDE   - 8:45 p.m.

LUNAR PHASE:  Waning Gibbous

Sun and Moon

Sun and Moon chymical wedding

 Portland, Maine, USA 

Date: Wednesday, September 2,  2015

Civil twilight begins - 5:36 a.m.

Sun rise - 6:06 a.m.

Sun set - 7:15 p.m.

Duration of daylight:   13 hours, 09 minutes   

Civil twilight ends - 7:46 p.m.

Lunation Cycle Number:  1146


Lunar phase:  Waning gibbous 79% illumination

Moon rise - 9:44 p.m.

Moon set -  11:52 a.m. (09/03/2015)

About Us

What can you do at the Southworth Planetarium?  See a showenroll in a classattend a lecture, buy fascinating science toys, explore our exhibit area, learn the night sky.

We are open throughout the week. Not only do we have public shows, but we offer private shows to school groups, scout troops, birthday parties, business organizations, and more.

Like the Universe, itself, the more you explore the planetarium, the more you'll discover!  

Connect With Us