I think we need to get this subject out in the open. Treena can teleport a planet and sustain it as if she was just tying her shoes. I don't think that is possible to be honest. But what I really think we need to cover is that Cap thinks Treena can create light for the planet. I disagree with this for the the fact the light comes from the sun and actually has nothing to do with the Earth. The Earth uses the light, but doesn't create it. And without the light the plants would die. In turn the planet will die. He also said Treena can keep the climate stable. Which I don't doubt that but isn't there a limit to how much she can use her powers at once?