February 13, 2018
McMaster Planetarium – A Timeline of our Universe: From the Big Bang to the Big FreezeTelescopes are time machines. Because light can only travel so fast, when we look at distant objects in the night sky we don’t see them . . .
February 13, 2018
McMaster Planetarium – Ripples in the Fabric of the UniverseIn February 2016, the experimental detection of gravitational waves was announced, changing the world of observational astronomy forever. This awe-inspiring experiment detected ripples in spacetime . . .