It wasn't until 1949 that the term "big bang" came into fashion. This was a relief to Edwin Hubble's contemporary, Albert Einstein, who deduced the universe could not remain stationary without ...

Einstein's theory of general relativity suggests that the "memory" of ancient events, such as black hole mergers, may be ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

If we could go back 101 years, we would encounter a time when scientists still thought the Milky Way was the entirety of our universe. But, if we went back 100 years instead, we would find most ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society in January 1925, a paper read by one of his ...

These observations reinforced conclusions dating back to 1929, when Edwin Hubble discovered that galaxies ... have been inferred even earlier. Albert Einstein’s equations of general relativity ...

It wasn't until 1949 that the term "big bang" came into fashion. This was a relief to Edwin Hubble's contemporary, Albert Einstein, who deduced the universe could not remain stationary without ...

The term "big bang" did not become popular until 1949. Albert Einstein, a contemporary of Edwin Hubble, was relieved because he had concluded that the universe could not stay motionless without ...