One hundred years ago this month, astronomers discovered the universe.
Before that, they thought the universe was nothing more than the Milky Way galaxy. All those other fuzzy things they saw in space they considered to be just nebulas.
But 100 years ago, Edwin Hubble and Henrietta Swan Leavitt collaboratively figured out that what was known as the Andromeda Nebula was way super far away, well beyond the confines of the Milky Way Galaxy. Like 2+ million light years away.
Continue reading Andromeda Galaxy’s Coming to Get You, Barbara!