Ancient Earth had a thick, toxic atmosphere like Venus—until it cooled off and became liveable – Science X

Earth is the only planet we know contains life. Is our planet special? Scientists over the years have mulled over what factors are essential for, or beneficial to, life. The answers will help us identify other potentially inhabited planets elsewhere in the galaxy.
To understand what conditions were like in Earth’s early years, our research tried to recreate the chemical balance of the boiling magma ocean that covered the planet billions of years ago, and conducted experiments to see what kind of…

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