Topical Terminology > Hubble Expansion
Hubble Expansion
For Hubble Expansion we have a term and definition in Astronomy.
Hubble Expansion (Astronomy) 
The observed phenomenon that all galaxies in the Universe (outside the local group of galaxies) appear to be moving away from us, implying that the Universe is expanding. The phenomenon was discovered by Edwin Hubble in 1929. Along with cosmic microwave background and big bang nucleosynthesis, Hubble expansion is considered compelling proof of the big bang theory.
See more Astronomy Terms ...
Similar
Browse words that start with:
Browse All Terms by First Letter
Term Search
Looking for more topical resources?
> Feeds
> General Reference
> News Video
> Recipes
> Podcasts
> Tags
We currently have 172,616 terms and definitions across 1,105 topics.
This work is licensed under Creative Commons.
Design by NOWdesign
