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Lightning strikes played a vital role in life s origins on Earth

 E-Mail IMAGE: An illustration of early Earth, as it would have looked around 4 billion years ago view more  Credit: Lucy Entwisle Lightning strikes were just as important as meteorites in creating the perfect conditions for life to emerge on Earth, geologists say. Minerals delivered to Earth in meteorites more than 4 billion years ago have long been advocated as key ingredients for the development of life on our planet. Scientists believed minimal amounts of these minerals were also brought to early Earth through billions of lightning strikes. But now researchers from the University of Leeds have established that lightning strikes were just as significant as meteorites in performing this essential function and allowing life to manifest.

How did early life on Earth start? It could have been lightning

Lightning Bolts Could Have Delivered The Spark That Started Life on Earth

Lightning Bolts Could Have Delivered The Spark That Started Life on Earth 16 MARCH 2021 The question of how life on Earth got started has long intrigued us, and new research suggests that primordial lightning strikes – perhaps over the course of a billion years – could have played a crucial role in sparking life on this planet.   Central to the idea is the way that lightning bolts create special glasses called fulgurites when they hit the ground. Fulgurites contain phosphorus, one of the key basic ingredients for the formation of life; this ingredient is often locked away inside insoluble rocks. The early Earth may well have experienced enough lightning strikes over a long-enough period to release the necessary amount of reactive phosphorus for life to begin, researchers now think. In fact, the same process could be happening on other planets too.

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