Approximately how many Galaxies are there ?
A. 10 Billion Galaxies
B. 100 Billion Galaxies
C. 1000 Billion Galaxies
D. 10000 Billion Galaxies
Approximately how many Galaxies are there ?
A. 10 Billion Galaxies
B. 100 Billion Galaxies
C. 1000 Billion Galaxies
D. 10000 Billion Galaxies