Carl Sagan told us that there are more stars in the cosmos than there are grains of sand on all of the Earth's seashores. At the same time, there are more H2O molecules in just 10 drops of water than there are stars.
Ranging from the unbelievably small to the incredibly big, the scale of the universe is mind-boggling. Watch to try to wrap your head around it.
This post was written by Usman Abrar. To contact the writer write to firstname.lastname@example.org. Follow on Facebook