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Why are earthlike conditions on other planets so rare, when they should be very common if you think about it? Every star has a habitable or goldilocks zone, where the sunlight and temperature is moderate and just perfect for carbon based life.
Hydrogen, oxygen gas and water are THE most common compounds in the universe, and the fundamental building blocks of everything else. If a star has a planet in the habitable zone, water would stay liquid at room temperature there. There should be billions of planets found covered in oceans, and having an atmosphere similar to earth.
Why can't we find any earthlike planets?
