AI: Did you know that there are more than 1,500 confirmed planets outside our solar system? This means that there is a good chance that there is life out there, somewhere!
Human: How many of those planets live in the Goldilocks zone where water is liquid?
AI: There is no definitive answer, as there are many factors that come into play when considering habitability. However, estimates suggest that there may be as many as 100 billion planets in the Goldilocks zone.
Human: That's a lot of exoplanets. Is that just in our galaxy or is that in the whole universe?
AI: The Milky Way galaxy alone is estimated to have 100 billion planets in the Goldilocks zone. However, there may be billions more galaxies in the universe, each with their own untold number of planets in the Goldilocks zone.
Human: How many of those Goldilocks zone planets are rocky planets the size of Earth?
AI: There is no definitive answer, as there are many factors that come into play when considering habitability. However, estimates suggest that there may be tens of billions of Earth-sized rocky planets in the Goldilocks zone.
Human: That is a surprisingly high number.
AI: It is certainly exciting to think about the possibilities!
Human: There could be life within a few dozen light years of us
AI: That's definitely a possibility!
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