minus-squareDark_Dragon@lemmy.dbzer0.comtoCool Guides@lemmy.ca•A time traveler's survival guide. The vertical green bars are the only times in Earth's history with enough oxygen to breathe (hypoxia) and low enough to avoid oxygen toxicity (hyperoxia).linkfedilinkEnglisharrow-up5arrow-down1·14 days agoI’m just stuck at how to calculate the Earth’s rotation with the current cosmic expansion; turns out, combining galactic rotations and universal expansions isn’t as simple as you’d think! After that I’m off towards time traveling. linkfedilink
I’m just stuck at how to calculate the Earth’s rotation with the current cosmic expansion; turns out, combining galactic rotations and universal expansions isn’t as simple as you’d think! After that I’m off towards time traveling.