How are astronomers investigating dark matter by analyzing gravitational lenses? Learn more at the ASX's upcoming Star Talk on June 28 with Dr. Daniel Gilman, Postdoctoral Fellow at the University of Toronto's David A. Dunlap Department of Astronomy & Astrophysics.

Join us on April 11 to celebrate Yuri’s Night as a global community!

SPECIAL EVENT ALERT: We have an upcoming celebration for our very own Professor Paul Delaney, stepping down as a director of the observatory! Join us for an evening of games, astronomy history, live imaging and much more on 30th June, 2021 at 7:30pm.

They say the third time’s the charm - are you ready to prove it?

Join us, from the comfort of your home! This program provides an illustrated one-hour presentation and discussion about what exciting celestial events to look for each season. The events and phenomena will be explained using simple language, with recommendations about how best to observe and photograph them. Only one registration per household is required. Deadline to register for this program is Friday July 16, 2021 at 3:00pm. Prior to the start of the program you will be emailed information on the virtual program links and any specific information relating to your program.

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!

Join us online to learn basic astronomy that you can do on your own from your backyard! We'll give you the tools to learn astronomy on your own at home, along with some observing goals to try. All you need is your computer! A pair of binoculars will help, but are not necessary. Sessions are always on Tuesdays at 3:30pm ET, but frequency of sessions changes.

Planetarium Live! is an interactive journey through the cosmos! Every episode we learn some new concepts in Astronomy while encouraging questions and audience participation. Episode 3 is going to be 100% on the Universe Sandbox software we used last week, and we are taking suggestions for: 1. What Planet / Moon / Star should we smash into the Earth?2. We can make black holes! What should we feed it?3. What other crazy 'what if' scenarios should we try?

Catch our upcoming Star Talk with post-doctoral researcher Dr. Cherry Ng.

Explore the Universe - from the comfort of your home! During these family-friendly sessions, a DDO Astronomer will answer your questions about the observatory, astronomy and space, telescopes, and the motions of the sky using powerful astronomy software and eye-catching visuals! Only one registration per household is required. Please register for this program by 5:00pm on Wednesday, July 21, 2021. Prior to the start of the program you will be emailed information on the virtual program links and any specific information relating to your program.