Learn how studies of life in harsh environments here on Earth are guiding scientists searching for life elsewhere in the solar system, in this video from NOVA Wonders: Are We Alone? Microbes can endure certain conditions on Earth that are deadly to most other forms of life. While many microbes use the Sun’s energy to produce the fuel they need to survive, others can do this using chemicals dissolved in water instead of sunlight. This suggests that life forms could inhabit deep, dark liquid-water oceans on other worlds. Scientists think that one of Jupiter’s moons, Europa, and one of Saturn’s, Enceladus, harbor oceans under their icy surfaces and that these bodies of water might contain all the ingredients needed for life. This resource is part of the NOVA Wonders Collection.
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