panspermia
noun
pan·sper·mia
ˌpan-ˈspər-mē-ə 
: a theory propounded in the 19th century in opposition to the theory of spontaneous generation and holding that reproductive bodies of living organisms exist throughout the universe and develop wherever the environment is favorable
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“Panspermia.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/panspermia. Accessed 31 Dec. 2024.
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