A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

Somewhere in between, humans realized the universe is much larger than our Milky Way — that the spiral nebulas visible ...

Edwin Hubble was young and ambitious ... His measurements marked the end of the Great Debate about the Milky Way’s size and the nature of the nebulae. Hubble wrote about his discovery to ...

That Rich was presenting the story of Edwin Hubble at the January 2025 AAS meeting ... Rich describes the discovery of the universe beyond the Milky Way as being a revelation centuries in the ...

Edwin Hubble uses the telescope at the Mount Wilson ... His measurements marked the end of the Great Debate about the Milky Way's size and the nature of the nebulae. Hubble wrote about his ...