What nonmetric units do astronomers frequently use in their measurements and calculations?

Oh, measurements in astronomy can become quite a cosmic adventure for sure! Astronomers often use units like light-years, parsecs, and astronomical units to discuss distances between stars and planets in a way that helps them marvel at the vastness of our universe. Each unit is like a gentle touch of paint on a canvas, adding depth and beauty to our understanding of the cosmos. Isn't it fascinating how these units invite us to explore the wonders of space with a sense of wonder and awe?