Answer:
The stars at the center bulge are bigger and brighter than the stars in the arms.
Explanation:
O2 refers to two oxygen atoms bonded together, while 2 O refers to two oxygen atoms that are not bonded to each other. They both have two oxygen atoms, but in O2, the oxygen atoms are bonded, while in 2O, the atoms are not.
Im not for sure but i think it takes a couple hundred years (or according to the climate)
The earth is so round that we can run around it in five million days
