On Oct. 3, McGill’s Trottier Space Institute presented a public talk titled “From Clouds to Cosmic Giants: The formation and evolution of galaxies.” This event featured Tracy Webb, associate professor in McGill’s Department of Physics and observational astronomer, who discussed the development of galaxies from the Big Bang to the[Read More…]
Tag: galaxies
Peering into the universe with gravitational lensing
Radio waves coming from galaxies millions or billions of light-years away—an immense distance compared to only eight light-minutes between the Earth and the Sun—gradually fade as they lose energy. Many become essentially invisible even to today’s powerful telescopes by the time they reach our little, blue planet. So it’s not[Read More…]
AstroMcGill talk sheds light on the Big Bang
The universe is comprised of billions of galaxies—encompassing all of space, all of time, and all of its contents. It all started with a Big Bang 13.8 billion years ago. On Nov. 16, particle physicist and cosmologist Oscar Hernández spoke about the Big Bang at AstroMcGill’s event Where, When &[Read More…]