Challenge 1 / 3

Look at the following class:

namespace Model\Planet.

class RandomlyColoredPlanet
{
    // ...
}

Which of the following is not a valid way to reference this class from inside index.php:

new Model\Planet\RandomlyColoredPlanet();

use Model\Planet;

new RandomlyColoredPlanet();

use Model\Planet;

new Planet\RandomlyColoredPlanet();

All of these are correct!