The Sky in 350 Billion Years

The video explores the concept of the expanding universe, discussing how it can be both larger and smaller simultaneously. It delves into the historical context of Edwin Hubble's discovery, the role of redshift, and the observable universe's boundaries. The video also examines the implications of the universe's expansion, including the concept of dark energy and its potential impact on the universe's future.

What challenges do scientists face in observing distant galaxies?

How does the observable universe differ from the entire universe?

Discuss the implications of galaxies moving away from us faster than the speed of light.

In what ways has our understanding of the universe evolved over the last century?