 
        15
        April
      
    UofT Planetarium: A Grand Tour of the Cosmos (SOLD OUT)
  
            Showtimes: 7:00pm and 8:00pm
      
         
        13
        April
      
    The Planetary Society/STEAMLabs: Yuri's Night
  
            The day after the anniversary of the first human in space (often called Yuri’s Night after the Russian who accomplished the feat) you might be suffering from a bit of space withdrawal sickness.
Have no fear – The Planetary Society and STEAMLabs are teaming up to give you another dose of space by putting you at the controls!
      
         
        13
        April
      
    York Woods Library: Astronomy and the Extinction of Dinosuars
  
            Join us in the Youth Hub as Prof. McCall from York University talks about what caused the extinction of dinosaurs and what could happen to us in the future.
      
         
        12
        April
      
    Speaker's Night: Colliding black holes and gravitational waves: Seeing the universe through bizarre messengers
  
            Prof. Harald Pfeiffer, Canadian Institute for Theoretical Astrophysics
Video of the talk
      
         
        12
        April
      
    DRAA: An Evening with Dr. Stella Kafka
  
            Learn about how the AAVSO coordinates, evaluates, compiles, processes, publishes, and disseminates variable star observations to the astronomical community throughout the world, and other topics on variable star observation and how it contributes to astrophysics.
      
         
        12
        April
      
    Commercial Space Blog: 2017 Yuri's Night World Space Party in Downtown Toronto
  
            In Toronto, the Commercial Space Blog will be sponsoring a Yuri's Night Party at the Polish Combatants' Hall.
      
         
        11
        April
      
    Riverwood Conservancy: Toronto’s Astronomical Heritage
  
            Join Professor Emeritus John Percy for a look at how Toronto has become a world centre for astronomy research, education, and public outreach, in parallel with the development of our country, our city, and the University of Toronto.
      
         
        8
        April
      
    Solar Observing (GO)
  
            Join us at the Ontario Science Centre for our monthly Solar Observing on the TELUSCAPE observing pad. This is the area in front of the Science Centre's entrance. We use specialized telescopes that are safe to aim at the Sun. Check our home page on the Friday prior for go/no-go calls as this event is weather dependent.
      
         
        8
        April
      
    North-East Astronomy Forum
  
            See RAC's NEAF website rocklandastronomy.com/neaf.
      
         
        7
        April
      
    Hamilton Amateur Astronomers: Astronomically Big Data with Pauline Barmby
  
            This talk will focus on the past, present, and future of big data in astronomy.
      
         
        5
        April
      
    Perimeter Institute: How to Bake Pi: Eugenia Cheng Public Lecture (WEBCAST)
  
            Mathematics can be tasty! It’s a way of thinking, and not just about numbers.
Through unexpectedly connected examples from music, juggling, and baking, Dr. Eugenia Cheng will demonstrate that math can be made fun and intriguing for all. Her interactive talk will feature hands-on activities, examples that everyone can relate to, and funny stories. She will present surprisingly high-level mathematics, including some advanced abstract algebra usually only seen by math majors and graduate students. There will be a distinct emphasis on edible examples.
      
         
        5
        April
      
    Beaches Library: Fun with Physics: A Cartoon Look at the Nature of Reality
  
            What would happen to you if you fell into a black hole? Why is Dark Matter so mysterious? These are some questions that will be explored with a visual showcase of cartoons and comics. A presentation by Rina Piccolo.
      
        