Many scientists believe that, due to the sheer ❌ of the universe and the fact that there are so many ❌, it is highly probable that there will be ❌ on another planet somewhere. Even if a small ❌ of stars have extrasolar planets orbiting them, many scientists believe that it is likely that life already ❌ elsewhere in the universe. However, as yet ❌ evidence for ❌ life - either at present or in the past - has been detected.
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extraterrestrial
extraterrestrial
