8 amazing ways Einstein was right about the universe — and 1 that proves him wrong

Albert Einstein was a thinker ahead of his time. Born March 14, 1879, Einstein entered a world where the dwarf planet Pluto had yet to be discovered, and the idea of spaceflight was a distant dream. Despite the technical limitations of his time, Einstein published his theory of general relativity in 1915, which made predictions about the nature of the universe that would be proven accurate time and again for more than 100 years to come.

Here are some amazing observations that proved Einstein was right about the nature of the cosmos a century ago — and one that proved him wrong.