Athene,Zeus,and Apollo are standing next to each other and this is just the clear beginning of what planet is just the right one for living on.
Athene had a simple conversation with the 2 of them but they just can not agree to anything she is saying all though she is the smart one.
Athene then went her ways into Earth to see how badly they needed someone to protect their planet and to be there for them while Zeus ad Apollo went into Jupiter so that they can get their say so.
Athene went over to the planet Earth to see what is going on and who specifically are important people to the the planet from different areas and so she ask them and they said that they really needed her and so Athene said " ok we will see what I have to offer"
After all Athene had More evidence and more people on her side and also more to offer including the fact that she paints and more people felt like she could be the one to protect Earth and so She did.
Athene became the Goddess/God of Earth she is able to rule over everyone and she is the only woman who can control them and take care of them.