4 ms·
Fascinating to think of entire mountain ranges moving up and down like the skin on a wobbly pudding.
by shermantanktop 9mo ago
Fascinating to think of entire mountain ranges moving up and down like the skin on a wobbly pudding.
- SideburnsOfDoom 9mo agoAnd the speed at which it happens: > a cold, round anomaly about 200 km below the surface. > By estimating how far the drip had fallen and calculating the speed of its descent, the researchers estimate that the drip broke off between 2 and 5 million years ago. A few megayears later, the bit that broke off is still falling. 200km in 2m years, I make that in the ballpark of 0.1m per year - a bit less if it's > 2m years, and started below the surface.
- toss1 9mo agoMakes the Pitch Drop Experiment [0] seem jump-to-warp-speed fast! [0] https://smp.uq.edu.au/pitch-drop-experiment https://smp.uq.edu.au/pitch-drop-experiment