Responses
Large distances are easier to express in AU than in km.
Large distances are easier to express in AU than in km.
AU is used for spacing, while km is used for length.
AU is used for spacing, while km is used for length.
There are no km in outer space, only AU.
There are no km in outer space, only AU.
AU is used in astronomy, while km is used in physics.
1 answer
The correct response is:
Large distances are easier to express in AU than in km.
Astronomical units (AU) provide a more manageable way to express the vast distances in space, especially within our solar system, where distances can otherwise be extremely large and unwieldy when measured in kilometers.
