5 ms·
Earth life uses lots of different elements - at least two generations of supernovas required. Not really that late if you allow for that.
by tuatoru 4y ago
Earth life uses lots of different elements - at least two generations of supernovas required. Not really that late if you allow for that.
- yreg 4y agoDidn't that happen within like the first 2B years? First Sol-like systems were I think at 5B years, which would still make Earth ~3B years late to the party.