Homonyms - Vocabulary Questions and Answers.
Crazy Facts About The Universe
If this makes you feel small, it should, because scientists estimate that there are hundreds of billions more galaxies in the universe, none of which you can see without a telescope. Moreover each one of these galaxies has billions of stars which brings the grand total number of stars in the universe to 10 billion trillion which is 10 followed by 21 zeros. Thats more stars than the number of grains of sand on the Earth.