Chapter
The Observable Universe
54:16 - 1:01:24 (07:07)
The universe has been expanding for 13.8 billion years, allowing us to see things that are approximately three times the age of the universe away from us, and with the diameter of the observable universe being roughly 90 billion light years across.
Clips
The speaker reflects on a mental obstruction that made him think he could not solve problems like other astronomers could.
54:16 - 56:04 (01:47)
Astronomy
Summary
The speaker reflects on a mental obstruction that made him think he could not solve problems like other astronomers could. He also talks about losing track of time due to having a lot going on.
ChapterThe Observable Universe
Episode#257 – Brian Keating: Cosmology, Astrophysics, Aliens & Losing the Nobel Prize
PodcastLex Fridman Podcast
The observable universe is the part of the entire universe that we can see from Earth, and it is constantly expanding.
56:04 - 1:01:24 (05:19)
Observable Universe
Summary
The observable universe is the part of the entire universe that we can see from Earth, and it is constantly expanding. Galaxies located farther away from us are moving at a faster rate, with the exception of a few that are moving towards us.