How did so much life appear on our planet when others seem devoid of any species at all???
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How did so much life appear on our planet when others seem devoid of any species at all???
How did so much life appear on our planet when others seem devoid of any species at all???
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the planets are all different.. all are a certain distance from the sun.. different masses means different gravitational pull,, which is one factor in retaining an atmosphere,, and water… which otherwise due to suns radiation will [as it does here] evaporate into the atmosphere,, where it changes from vapor to water droplets, then drops to earth again as rain or snow.. this is a very,, important,, relationsip to life,, presence of an atmosphere, and water..
earth is the only planet in our solar system which has a viable atmosphere, and water, which support each other, both helping protect earth