Friday 20th September 2024
Difficulty: Hard
The horizon (Quiz #672)
Photo: Alastair Cassels (Creative Commons)
1. For a 6 feet (1.83 m) tall person standing on the seashore looking out to sea, approximately how far away is the horizon?
2. If the same person was standing on the surface of Mars, how would the distance to the horizon compare with that on Earth?
3. The distance to the horizon depends on your height above the ground. Where would you have to be in order for the horizon to be 209 miles (336 km) away?
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