6. Students who attend Space Camp in Huntsville, Alabama are given the opportunity to learn about space travel. While
there, they explore distances between objects in space. One camper was asked to compare the distances between objects
in space and Earth. Which statement below is correct?
O The distance from Earth to the Sun is measured in astronomical units (AU).
O The distance from Earth to the Moon and Mars are both measured in light years.
The distance from Earth to the edge of the solar system is measured in kilometers.
O The distance from Earth to the star, Alpha Centauri, is measured in astronomical units (AU).

Thank you so much!