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Discusses what other planets may have the right conditions to support life and surveys aliens, unidentified flying objects, and our exploration of space.

Explains how scientists search for life in other parts of the universe, discussing alien life, exobiology, interstellar contact, spacecraft missions, and other related topics.

Presents a short study of the inner and outer planets of the solar system and their moons, and discusses what would be necessary in order for them to sustain life.