Planetary Science
The Solar System
Milky Way Galaxy

If only 1 in every million stars had a solar system with a planet like earth then how many earthlike planets would that make in the Milky Way galaxy?

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September 12, 2011 9:27PM

if the Milky way galaxy has roughly 100 billion stars in it like

scientist believe. and the odds of this happning are one in one

million. when you do all the math it works out to be 10000 earths

in our solar system. but that's only if there really is one earth

in a million stars. its almost impossible to know for certain

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