The mahi-mahi is a fast-growing predator that lives up to 4 years and can reach a length of 2 meters. The mahi-mahi is a species associated with the blue waters indicating high concentrations of dissolved oxygen.
Recent estimates of the number of galaxies in the observable universe range from 200 billion (7011200000000000000â 2Ã1011) to 2 trillion (7012200000000000000â 2Ã1012) or more, containing more stars than all the grains of sand on planet Earth.
The visible universe is estimated to contain between 1078 and 1080 atoms. This is the estimated number of atoms in the observable universe, but since we do not know the absolute size of the universe, we cannot be certain. Most of the matter in the universe is still hydrogen.