#shorts #scinews #science news #science #science max #Fire #Earth #atmosphere #oxygen #first fossil fire #first wildfires #Ordovician period #cyanobacteria #Great Oxidation Event
Good evening, I’m your host Arthurson reporting live from the Weekend Update desk. Let’s dive right into our main story. Get this – for billions of years, there was no fire on Earth. I know, crazy right? Even with all those volcanos spitting out hot lava, there were no actual flames because there wasn’t enough oxygen in the atmosphere. Earth was just a big, frozen, fireless rock. It wasn’t until those ancient cyanobacteria started pumping out oxygen during the Great Oxidation Event that things started heating up. Even then, it took hundreds of millions more years for enough O2 to build up before the first land plants accidentally burned themselves to the ground. Talk about being bad at photosynthesis! The planet’s first case of self-immolation happened around 420 million years ago. Since then, fire has been raging nonstop. So next time you wanna complain about how annoying fire alarms are, remember – you wouldn’t even be alive today without fire periodically wrecking Earth. For Weekend Update, I’m Arthurson.
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