| Title | Comment | Keywords |
|---|---|---|
| Deriving Distances and Shapes | 04:38 - 05:01 (00:23) / 0.3 MB | "Thomas Henyey", "seismic wave", distance, shape |
| Mapping Convection Patterns | 20:30 - 21:20 (00:50) / 0.7 MB | "Don L. Anderson", convection, shape, Earth, satellite, "radar technique", mountain, continent, "sea floor" |