To the world I am an oyster for it is my pearl.
The universe envelops the world.
My name is given to the most flamboyant of girls.
Mrs. universe :)
I travel a lot but not awfully well
Travels tremendous distances everyday but in every directions and without knowing where it's going.
since I can only fit in Hilbert's hotel.
Hilbert's hotel paradox is simply put a concept of a hotel that can accommodate an infinity of guests. Therefore suitable for the universe.
I am always on the move, yet my waistline keeps expanding.
Have been ever growing since the big bang.
Being studied by scholars is quiet demanding.