A century ago, Edwin Hubble revolutionized our understanding of the universe by proving that the Milky Way is just one of many galaxies in an ever-expanding cosmos. This breakthrough led to the ...

He was bored with law and decided to go back to his studies in astronomy. In 1919 he began to work at Mt. Wilson Observatory in California, where he would work for the rest of his life.

Photo: Andromeda nebula plate with Hubble's handwritten circle around the variable star he discovered In 1919 American astronomer Edwin Hubble began work at the Mount Wilson Observatory in ...

In 1610, astronomer Galileo Galilei used the ... At the of age 30, he arrived at Mount Wilson Observatory in Southern California just in time to use the new Hooker 100-inch telescope, at the ...

Meanwhile, in 1914, astronomer Harlow Shapley began his career at Mount Wilson Observatory near Los Angeles. Shapley's interest was in the study of the Milky Way, and he began to use Cepheid ...

They were chauffeured up the long, zigzagging dirt road to the observatory ... of astronomy have continued the cosmological quest initiated by Einstein and Hubble, first at Mount Wilson, then ...

They were chauffeured up the long, zigzagging dirt road to the observatory ... of astronomy have continued the cosmological quest initiated by Einstein and Hubble, first at Mount Wilson, then ...