Star formation is incredibly inefficient. Compared to the available amount of gas in molecular clouds, only a few percent of the cloud forms stars. In this talk, I will talk about how dust is created, grows, and destroyed in the interstellar medium (ISM). Understanding the size and evolution of dust grains in ISM is significant in answering why star formation is a very inefficient process in the universe.

Wondering what's happening above your head in the sky this month? Find out more about the Zodical Light to the Messier Marathon to everything in between, including comets, planets and spaceflights!

Come out to learn the late-winter/early-spring constellations and enjoy stargazing behind the Courtice Community Complex.

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!

No-Go for Staurday due to clouds. We're sad to say that that concludes out 2023 season. We hope to see you next year in April!

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.