![](/sites/default/files/2023-08/Speakers%20Night%20Sep23%20Insta%20image.png)
23
September
Astronomy Speaker's Night - Curiosity’s Got its Head in the Clouds: Eleven Years of Cloud Observations from Gale Crater, Mars
Come to the DDO where Conor Hayes, a PhD candidate in Physics and Astronomy at York University, is presenting about the Curiosity rover on Mars!
![](/sites/default/files/2023-07/DDO%20Planetarium%20Day%20Thumbnail_0.png)
23
September
DDO Planetarium Day - September 2023
Enter a Digital Portable Planetarium and take a journey through the universe led by a DDO astronomer!
![](/sites/default/files/2023-08/Family%20Night%20Aug20%20Insta%20image.png)
2
September
Astronomy Family Night - September 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.
![](/sites/default/files/2023-08/DDO%20Stargazing%20Night%20Thumbnail.png)
28
August
Stargazing Night - August 2023
Bring Your Own Binoculars and observe the sky from the David Dunlap Observatory!
![](/sites/default/files/2023-08/DDO%20Sunday%20Sungazing%20Thumbnail.png)
27
August
DDO: Sunday Sungazing - August 2023
Safely observe the sun with us!
During these family-friendly sessions, a DDO Astronomer will answer your questions about our closest star: the sun!
![](/sites/default/files/2023-08/Speakers%20Night%20%28Marios%20Galanis%29%20Aug26%20Insta%20image.png)
6
August
Astronomy Speaker's Night - Building a Telescope the Size of the Earth
Come to the DDO where Dr. Galanis, a postdoctoral fellow at the Perimeter Institute for Theoretical Physics, is presenting about Building a Telescope the Size of the Earth!
![](/sites/default/files/2023-08/Family%20Night%20Aug20%20Insta%20image.png)
20
August
Astronomy Family Night - August 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.
![](/sites/default/files/2023-07/DDO%20Planetarium%20Day%20Thumbnail_0.png)
26
August
DDO Planetarium Day - August 2023
Visitors aged 6 and older will enter a Digital Portable Planetarium and take a journey through the universe led by a DDO astronomer.
![](/sites/default/files/2023-07/DDO%20Planetarium%20Day%20Thumbnail_0.png)
22
July
DDO Planetarium Day - July 2023
Visitors aged 6 and older will enter a Digital Portable Planetarium and take a journey through the universe led by a DDO astronomer.
![](/sites/default/files/2023-07/Speakers%20Night%20Jul29%20Twitter%20image.png)
29
July
Astronomy Speaker's Night: Taking Back the Night Sky: What We Can Do About Light Pollution (CANCELLED)
Abstract: In this talk, Quinton Weyrich will discuss his experience as an Astronomer in Residence at Killarney Provincial Park, the first provincial park in Ontario to be designated a dark sky preserve.
He will discuss what commitments a location must make in order to be designated a dark sky preserve and why the reduction of ambient light within them is scientifically and culturally valuable.