No, astronomical units and mass cannot be measured in pounds. Astronomical units (AU) are units of length used in astronomy to express the average distance from Earth to the Sun. They are equivalent to about 93 million miles or 150 million kilometers. Mass, on the other hand, is a measure of the amount of matter in an object and is typically measured in kilograms (kg). Pounds are units of weight commonly used in the imperial system of measurement and are not suitable for measuring astronomical distances or mass in scientific contexts.