Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square. Observe the Moon, Jupiter, Saturn, and stars through our telescopes!

Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square. Observe the Moon, stars and Saturn at its best through our telescopes!

Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square. Observe the Moon and stars through our telescopes! (We might even catch Saturn if it rises high enough before midnight.)

Come join Alex Innanen as they cover a brief history of Curiosity’s mission, highlight some of its exciting findings, and discuss the challenges of working remotely on another planet.

Join us from the comfort of your home as we discuss about what exciting celestial events to look for each season.

Safely observe the sun with us, from the comfort of your home! During these family-friendly sessions, a DDO Astronomer will answer your questions about our closest star: the sun!

Enter a Digital Portable Planetarium and take a journey through the universe led by a DDO astronomer. We’ll tour the night sky, travel through space, and see immersive full dome movies. The unscripted format will allow guests to experience a variety of topics. Ask our astronomer questions and see the answers in a planetarium setting. Please note that all guests will sit on a clean floor. A registered adult must accompany all registered participants under the age of 16.

Dr.Guan will walk through how mapping the sky in millimeter has significantly advanced our knowledge of the universe, ranging from its early history and fundamental building blocks, to the magnetic field morphology of our galaxy.

Join us for our monthly recreational astronomy night meeting. This is where our members get to show their latest projects or give tutorials and tips on just about everything to do with astronomy.

Join us for our monthly recreational astronomy night meeting. This is where our members get to show their latest projects or give tutorials and tips on just about everything to do with astronomy.