Why Do They Call It The Milky Way? The Milky Way gets its name from a Greek myth about the goddess Hera who sprayed milk across the sky. In other parts of the world, our galaxy goes by other names. In China it’s called the “Silver River,” and in the Kalahari Desert in Southern Africa,
How Are Galaxies Important To Our Existence? Galaxies show us how the matter in the universe is organized on large scales. In order to understand the nature and history of the universe, scientists study how the matter is currently organized and how that organization has changed through out cosmic time. How are galaxies important to
How The Earth Travels Through Space? Here’s how we move through space. The Earth spins on its axis, orbits the Sun, and travels through the Milky Way, which itself is in motion relative to all the other galaxies around us. By correctly measuring the objects around us and the light left over from the Big