171: The Science of Life from Alien Planets: Panspermia

Where did life on Earth come from? Some famous scientists believed that aliens may have intentionally colonised Earth with microscopic life. It may sound crazy, but they might be more convincing than you think...

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References & Further Reading

Francis Crick

1. https://www.nobelprize.org/prizes/medicine/1962/crick/biographical/
2. https://www.britannica.com/biography/Francis-Crick

Leslie Orgel

1. https://www.nytimes.com/2007/11/05/us/05orgel.html

Crick & Ogel’s Panspermia Paper

1. https://www.sciencedirect.com/science/article/pii/0019103573901103

Panspermia

1. https://www.newscientist.com/definition/panspermia/
2. https://astrobiology.nasa.gov/news/in-search-of-panspermia/
3. https://blogs.scientificamerican.com/guest-blog/the-origins-of-directed-panspermia/
4. https://blogs.scientificamerican.com/life-unbounded/the-panspermia-paradox/
5. https://astronomy.com/magazine/ask-astro/2017/10/meteorite-origins#:~:text=Famous%20astronomer%20Carl%20Sagan%20once,stellar%20systems%20is%20highly%20unlikely.