Skip to main content
25 May

DDO Planetarium Day - May 2024

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

DDO Planetarium Day for Little Astronomers - May 2024

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

DDO Astronomy Family Night - May 2024 - 2

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.
23 May

DDO Bring Your Own Binoculars Stargazing Night - May 2024 (GO for Thrusday)

Bring your own binoculars for a free, guided tour of the night sky.
18 May

Millennium Square Public Star Party - May 2024 (GO for Saturday)

Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square.
16 May

City Star Party: Bayview Village Park - May 2024 (GO for Thrusday)

Our monthly City Star Party is the place to catch universe from within the city limits at Bayview Village Park. If you don't have a telescope then you will find many astronomers who would love to share a view.
14 May

Speaker's Night: An Astrophysical Mystery: Galaxy Quenching at High Redshifts [OnlIne]

Join us as Ms Maheen Hemani, York University Undergraduate, explores red-shifts of Galaxies!
11 May

Solar Observing at Ontario Science Centre - May 2024 (NO-GO for May 11)

Enjoy safe views of the Sun every first Saturday of the month at the Ontario Science Centre!
11 May

Doors Open Richmond Hill 2024 at the DDO

Join Heritage Services for a tour of our historic observatory and administration buildings.
6 May

UofT Lecture: A Human Expedition to Mars [In-Person and Online]

Human exploration of the red planet has been seriously discussed since the 1940s, but no mission concept has gone beyond the planning stage. Why? Join Maria Zuber — the first woman to lead a science department at the Massachusetts Institute of Technology and the first to lead a NASA planetary mission — as she explores the possibility of a human expedition to Mars.
2 May

[AstroTours] And then there was (more) light: The violent births of stars

Check out the May AstroTour! May AstroTours features Shivan Khullar's talk on how stars form, followed by exciting astronomy demos and telescope tours!
1 May

Recreational Astronomy Night - May 1, 2024

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.