Hacker News explored the "Purple Earth hypothesis": early life might've used retinal, making Earth purple! 🤔 The core question: Why don't modern plants use both retinal & chlorophyll for peak light absorption? Fascinating look at evolutionary paths. #PurpleEarth 1/6

Syed Shah on LinkedIn: "Purple Earth" Scientists reveal that organisms on Earth in the past… "Purple Earth" Scientists reveal that organisms on Earth in the past contributed to Earth purple color before. Single cell organism relied on less complex…

Purple Earth, Before.
#science #nationalgeographic
#research
#purpleearth
#purpleplanet
#exoplanet
#planet
#halobacterium
#retinal

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