{"id":95659,"date":"2025-02-10T16:41:52","date_gmt":"2025-02-10T16:41:52","guid":{"rendered":"https:\/\/www.africa-press.net\/rwanda\/all-news\/what-impact-space-rock-larger-than-the-one-that-killed-dinosaurs-had-on-earth-3"},"modified":"2025-03-11T12:20:08","modified_gmt":"2025-03-11T12:20:08","slug":"what-impact-space-rock-larger-than-the-one-that-killed-dinosaurs-had-on-earth-3","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/rwanda\/all-news\/what-impact-space-rock-larger-than-the-one-that-killed-dinosaurs-had-on-earth-3","title":{"rendered":"What Impact Space Rock Larger Than the One That Killed Dinosaurs Had on Earth"},"content":{"rendered":"

Africa-Press – Rwanda. <\/strong><\/span>A massive meteorite, much larger than the one that supposedly wiped out the dinosaurs, hit our planet millions of years ago and this impact might have had a positive impact on Earth\u2019s biosphere, according to a new study published in the Proceedings of the National Academy of Sciences journal.<\/p>\n

The meteorite that struck Earth sometime in the Archean Eon (i.e. over 2.5 billion years ago) was 50 to 200 times larger than the one that triggered the aforementioned Cretaceous\u2013Paleogene extinction event, the team of scientists from Harvard and Stanford universities behind the new research postulate.<\/p>\n

The impact supposedly triggered a massive tsunami that brought the iron-rich deep waters of the Earth\u2019s early oceans to the shallows, and produced \u201cheating that caused partial evaporation of surface ocean waters and likely a short-term increase in weathering and erosion on land,\u201d the study says.<\/p>\n

The meteorite\u2019s subsequent evaporation also supposedly led to an injection of phosphorus into Earth\u2019s biosphere.<\/p>\n

These effects thus led to a \u201ctemporary bloom of iron-cycling microbes\u201d during our planet\u2019s early days.<\/p>\n

Overall, at least 16 major impacts that involved meteorites larger than ten kilometers in diameter occurred during the Archean Eon, the researchers note.<\/p>\n

\u201cThese impacts probably had severe, albeit temporary, consequences for surface environments. However, their effect on early life is not well understood,\u201d they add.<\/p>\n

For More News And Analysis About Rwanda<\/span> Follow Africa-Press<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Africa-Press – Rwanda. A massive meteorite, much larger than the one that supposedly wiped out the dinosaurs, hit our planet millions of years ago and this impact might have had a positive impact on Earth\u2019s biosphere, according to a new study published in the Proceedings of the National Academy of Sciences journal. 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