Cosmic Horizons
Light takes time to travel, which means we can only observe a limited part of the universe, defined by its age. The concept of an observable horizon reveals that there could be countless regions of the universe with their own horizons that never intersect, suggesting a boundless cosmos. The idea that there is no singular center to the universe challenges our understanding of the Big Bang, illustrating that every point in the universe can be seen as a center.In this clip
From this podcast

The Jordan Harbinger Show
1050: Lisa Kaltenegger | In Search of Alien Life and Livable Worlds
Related Questions
If the universe is x billion years old and the light we are seeing from seconds before the Big Bang is that old and traveled at the speed of light, is the universe in fact expanding faster than the speed of light?
Is the universe expanding faster than the speed of light if it is x billion years old and the light we are seeing from seconds before the Big Bang is that old and traveled at the speed of light, as discussed in the episode Joe Rogan Experience #610 - Brian Cox and the clip Cosmic Acceleration?
Has anyone spoken about how we can see light from a long time ago despite the universe expanding at the speed of light in the episode 1050: Lisa Kaltenegger | In Search of Alien Life and Livable Worlds and the clip Cosmic Time Travel?