What can we infer about the cause of the universe, about what brought it into being?
“At some point during this talk, I felt a gear turn in my head.”
Cosmologists have come a long way since Edwin Hubble published that ratty looking plot of galaxy recession velocities versus distance.
The ancient model of the cosmos, which was the model presupposed by most scientists prior to the mid 20th century, was Steady State.
In 1927, Belgian astronomer Georges Lemaître theorized that the universe began with a single explosion from a densely compacted state.