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Exhausting Film Shoot, Lasting Gratitude
- John described long, exhausting night shoots for the Turtles All The Way Down movie and sleep struggles between set shifts.
- He emphasized gratitude for the experience despite fatigue and uncertainty about release plans.
Why Earth's Interior Remains Molten
- The Earth's interior stays hot because the crust insulates heat and internal processes keep adding heat.
- Radioactive decay and ongoing density-driven movement of materials generate substantial interior heat.
Size Explains Mars' Geological Quiet
- Smaller planets like Mars cooled faster and lost much tectonic activity because they could not retain heat as well.
- Mars may still have localized molten regions but overall tectonics largely shut down as it lost interior heat.