How Many Planets are There in the Galaxy?

By Matthew Williams October 24, 2016
How Many Planets are There in the Galaxy?

Number of Planets per Star:

Number of Stars:

Habitable Exoplanets:

  • Wikipedia - The Milky Way Galaxy

  • NASA Exoplanet AArchive

  • NASA - The Milky Ways 100 billion planets

  • NASA - How Many Stars in the Milky Way

  • HubbleSite - The Milky Way Contains at Least 100 Billion Planets According to Survey