1. The moons shadow can cue Earth's spherical shape, hence the lunar eclipse.
2. The way we see boats 'rise' from the ocean when looking from a shore. If the Earth was flat, we would see it as just appearing,
3. The field of view considering star constellations would differ on a flat planet.
4. Shadows wouldn't move, but appear in the same location on a flat planet.
5. Seeing farther from higher can explain a phenomenon of curvature. <span />
Two that I know of are a sextant, and maybe an astrolabe
Answer: One of the main problems the keeps them from full utilization is that they don't have enough money and or resources as you said to use.
Explanation:
Answer: Hello! The season in Seoul Korea is Autumn.
Explanation: Because in August, September to November Seoul Korea is experiencing Fall.
Hope this helps
