What is an astronomical unit (AU)?
An astronomical unit (AU) is the average Earth-Sun distance of about 93 million miles (150 million kilometers), which light travels in approximately 8 minutes and 20 seconds.
Category: Space
An astronomical unit (AU) is the average Earth-Sun distance of about 93 million miles (150 million kilometers), which light travels in approximately 8 minutes and 20 seconds.
Category: Space