It seems like it would be. Protecting anything can be a big job. [And a frightening one, obviously.] Especially a whole world.

[Which she can only assume 'Earth' is. Seems like the reasonable conclusion to draw, given the context.]

Huh...! That many? [She wouldn't be saying that if she knew how big it was. She's used to one kid and his companions handling several small worlds, but--] I'm not sure whether I should say it sounds like your world is very safe or very dangerous...!

[Because if there are so many, wouldn't they have it covered? But at the same time, if it needs so many... hm.]