Everyone is invited to join us and Durham Skies for stargazing at the edge of Lake Ontario. Take a free look through different kinds of telescopes (including solar-filtered scopes) to get close-up looks at sunspots, craters on the Moon, and planets visible in the current night sky. Peer into deep space and try your hand at spotting faint star clusters and nebulae. You can even bring your own telescope along and we'll give you expert advice on how to use it better.

Fourteen billion years ago, the universe was little more than a cloud of hot hydrogen gas. Patrick Breysse will tell the story of how that cloud of gas evolved into all of the galaxies, stars, and planets we see around us today. In the process, he'll explain some of how astronomers study the history of the universe, and how telescopes are secretly time machines that let us look directly into the distant past. He'll also talk about some of the great mysteries that remain in this story, and how we're working in Toronto and elsewhere to solve them.

See the Milky Way and galaxies with the unaided eye. Point your telescope to find the many dim deep space objects that sprinkle the sky. Away from Toronto's light polution, there is so much to see. We observe from the Long Sault Conservation area, an hour outside of Toronto. We meet around dusk once a month in the parking lot for views only seen in dark sky conditions. We hold this event on the first clear night of our week-long window. Check our homepage for GO/NO-GO calls as this event is weather dependent.

RASC Toronto Centre presents, at the David Dunlap Observatory, Paint Night! On Tuesday 20 August, 7:30 PM, join us for a wonderful evening of nebulae and watercolours with artist Anna Ainsworth.

People have deeply-held misconceptions about the most basic astronomical topics, such as the cause of the seasons. In this profusely-illustrated, non-technical presentation, some "heavenly errors" will be discussed, from everyday life, to exotic black holes, to the birth of the universe. Presented by Dr. John Percy, Professor Emeritus at the University of Toronto, in Astronomy & Astrophysics and in Science Education.

Join the Hamilton Amateur Astronomers for the Annual Public Perseids Meteor Shower Night.

What is the sound of a twinkling star? Can planets keep a beat? How loud was the big bang?

What is the sound of a twinkling star? Can planets keep a beat? How loud was the big bang?

Showtimes: 7:00pm, 8:15pm The stars in the night sky seem unchanging and eternal, and have remained the same for the history of human civilization. However, over millions and billions of years, new stars are born, live out their long lives, and eventually die in a blaze of glory. In this show, we will be exploring the lives of stars by visiting stellar nurseries, supernova remnants and much more!

Showtimes: 7:00pm, 8:10pm, 9:15pm