Understanding the Formation and Evolution of Galaxies

Cameron Hummels, Caltech
Recorded live on Tuesday, June 7, 2022

Galaxies—like our own Milky Way—are among the basic building blocks of our universe. Discovered only one hundred years ago, galaxies are complex systems consisting of billions of stars, along with gas, dust, and dark matter. They occupy much of what we see when we gaze at the night sky through our telescopes.

Astronomers learn about galaxies using both telescope observations and sophisticated computer simulations. These numerical investigations are crucial in helping us better understand how galaxies form and evolve since the birth of our universe.

News from the Universe starts at 3:35
Main talk starts at 11:25

Host: Frank Summers, Space Telescope Science Institute