Final answer:
The point of discussing Horseshoe Park in the Colorado Rockies and looking back at North America from a spacecraft is to understand more about local relief and the landscape.
Step-by-step explanation:
The point of discussing Horseshoe Park in the Colorado Rockies and looking back at North America from a spacecraft in the chapter 'Introduction to Landform Study' is to understand more about local relief and the landscape.
Local relief refers to the difference in elevation between the highest and lowest points in a specific area. By studying the relief of an area like Horseshoe Park or North America, we can gain insights into the variation in landforms and geological features.