So 2 trillion galaxies. Now let's multiply that by 1 trillion stars in the milky way galaxy alone [1]. And then multiply by 1.6 planets per star on average [

So 2 trillion galaxies. Now let's multiply that by 1 trillion stars in the milky way galaxy alone [1]. And then multiply by 1.6 planets per star on average [2]. Sure is a whole lot of planets. [1] http://www.huffingtonpost.com/dr-sten-odenwald/number-of-stars-in-the-milky-way_b_4976030.html http://www.huffingtonpost.com/dr-sten-odenwald/number-of-sta... [2] http://www.space.com/14200-160-billion-alien-planets-milky-galaxy.html http://www.space.com/14200-160-billion-alien-planets-milky-g...