👉 Calibers are units used in astronomy and physics to measure distances. They consist of a unit of length, called a meter (m). The base unit for measuring lengths is the kilometer (km), which is equivalent to 100,000 meters or about 3280 miles. In the context of astronomy, calibers are important because they help astronomers measure distances. For example, in an object that appears to be stationary, a smaller caliper would give
