![]() ![]() Conditions were also frequently sweltering between 500 million and 250 million years ago. One of the warmest times was during the geologic period known as the Neoproterozoic, between 600 and 800 million years ago. The heat of these collisions would have kept Earth molten, with top-of-the-atmosphere temperatures upward of 3,600° Fahrenheit.Įven after those first scorching millennia, however, the planet has often been much warmer than it is now. ![]() Our 4.54-billion-year-old planet probably experienced its hottest temperatures in its earliest days, when it was still colliding with other rocky debris ( planetesimals) careening around the solar system. ![]() This article is one of a two-part series on past temperatures, including how warm the Earth has been “lately.” OL17486600W Origin-contact Origin-note Physical items are owned or controlled by and digitized by Internet Archive Origin-organization Internet Archive Page_number_confidence 80.56 Pages 38 Ppi 300 Printer DYMO_LabelWriter_450_Turbo Republisher_date 20180529084230 Republisher_operator Republisher_time 311 Scandate 20180524202911 Scanner Scanningcenter hongkong Tts_version v1.This article was first published in August 2014, and it has been updated to include new research published since then. Access-restricted-item true Addeddate 19:34:58 Boxid IA1195813 Camera Sony Alpha-A6300 (Control) Collection_set china External-identifier ![]()
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