You Appear to be Trapped in a Snowglobe.

Yup, the sun appears to be made out of some kind of hard plastic. Should be sound enough to stand on, but there's no way you're going to be able to lift something this big, let alone break it easily.

But, it DOES seem like the sun was hiding a pretty big hole out of here. Now, lets just get a little higher... and...

SHIT HOW DID I FALL THROUGH THAT BIG OF A HOLE.