0
Galaxies are vast collections of stars that populate our universe. But how many galaxies are there? Counting them seems like an impossible task. Sheer numbers is one problem — once the count gets into the billions, it takes a while to do the addition. Another problem is the limitation of our instruments. To get the best view, […]
The Milky Way is a barred spiral galaxy around 13.6 billion years old with large pivoting arms stretching out across the cosmos. Our home galaxy’s disk is about 100,000 light-years in diameter and just 1000 light-years thick, according to Las Cumbres Observatory. Just as Earth orbits the sun, the solar system orbits the center of the Milky Way. Despite […]