Most things were using sulfur for photosynthesis and not CO2 and O2. Then tectonic events happened that caused O2 production to rise. Suddenly we had an oxidizing atmosphere that killed 80 percent of the diversity of life on earth while also changing the climate.
this post was submitted on 13 Aug 2023
183 points (98.4% liked)
Today I Learned (TIL)
6549 readers
28 users here now
You learn something new every day; what did you learn today?
/c/til is a community for any true knowledge that you would like to share, regardless of topic or of source.
Share your knowledge and experience!
Rules
- Information must be true
- Follow site rules
- No, you don't have to have literally learned the fact today
- Posts must be about something you learned
founded 2 years ago
MODERATORS
But then the cambrian explosion happened, and trilobites were excited about the planet, so much so that they spread all across the globe.
That sounds pretty nice now
This is good news for all those concerned about The Great Filter.
Can you elaborate on why it's great?
Great Filter - Wikipedia https://en.m.wikipedia.org/wiki/Great_Filter
... that's what the great filter is about. The reason this is good news is that it suggests that the great filter was whatever leap happened after that billion year stagnation, and not, say, immediately ahead of us.
It's also possible that there are multiple filters. So this might be A filter and not THE filter.
god i wish that were me