Dictionary of Human Evolution and Biology

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1. discipline that searches for life beyond earth; heavily dominated by physical scientists. Astrobiologists do not limit themselves solely to the search for life, but also look for such things as prebiotic molecules in interstellar space, solar systems in the process of forming, and mature planets orbiting other stars.

Cf. exobiology.

2. specific anthropic subtheory associated with Rhawn Joseph, who proposed that genetic seeds encased in stellar debris have bootstrapped life in many locations throughout the universe. The Joseph subtheory is specifically anti-Darwinian.