Skip to main content
24 November

Astronomy Speaker's Night - Impact Structures in Ontario

Join us at the DDO as Dr. Mary-Helen Armour speaks about various impact structures in Ontario.
17 November

Astronomy Family Night - November 2023

Join us for the wonders of astronomy through a presentation on a variety of exciting astronomy topics, followed by an age-appropriate celestial activities and a demonstration of the 74” telescope.
11 November

Solar Observing at Ontario Science Centre - November 2023 (GO for November 11)

Enjoy safe views of the Sun every first Saturday of the month at the Ontario Science Centre!
17 November

DDO: Sun Fun! November 2023

Join the David Dunlap Observatory Astronomers for an interactive session where participants will see live and pre-recorded telescope views of the solar surface, learn about our nearest star, and practice safe solar observing by making their own pinhole projector.
4 November

Gigantic Jupiter - The Gas Giant at Opposition at the DDO

Join us at the Richmond Hill David Dunlap Observatory as, Jupiter, will make its closest approach to Earth in 59 years - an astronomical arrangement known as opposition.
22 November

The Giant Planets at the Richmond Hill Public Library

Join us to learn about the surprising features of the gas giants, Jupiter and Saturn, and ice giants, Uranus and Neptune.
15 November

Speaker's Night: Galactic Evolution: Unveiling the Structure of Galaxies

Join us as Rajveer Seehra, an Astrophysics student at University of Manitoba, delves into the world of galaxy formation and evolution, focusing sharply on the structures that define these grand celestial objects.
14 October

Solar Eclipse at Ontario Science Centre - October 14, 2023

Enjoy safe views and learn about the partial Solar Eclispe at the Ontario Science Centre!
27 October

Astronomy Speaker's Night - The Universe Seen in the Eyes of a Fast Radio Burst

Visit a unique historical site in Richmond Hill and experience an engaging presentation led by experts and researchers in astronomy, covering a variety of exciting astronomy topics. After the presentation, participants will tour the observatory and see a demonstration of the 74” telescope pointed to an interesting celestial object for the visitors to view (weather-dependent). Please wear / bring appropriate supplies for being outside. A registered adult must accompany all registered participants under the age of 16.
21 October

DDO Planetarium Day - October 2023

Enter a Digital Portable Planetarium and take a journey through the universe led by a DDO astronomer!