Editing 2796: Real Estate Analysis
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Earth is rated as highly walkable, probably because humans can walk on much of its surface without immediate & continuous existential need for environmental survival gear (so far), and due to the gravity on its surface. Earth also rates high on the "proximity to shops and restaurants" scale because its surface hosts all commercial establishments known to humans; most businesses are within a few building stories of the surface, though some "shops" on airplanes are up to several kilometers above it. | Earth is rated as highly walkable, probably because humans can walk on much of its surface without immediate & continuous existential need for environmental survival gear (so far), and due to the gravity on its surface. Earth also rates high on the "proximity to shops and restaurants" scale because its surface hosts all commercial establishments known to humans; most businesses are within a few building stories of the surface, though some "shops" on airplanes are up to several kilometers above it. | ||
β | All other locations are rated as completely unwalkable, and remote from any shops or restaurants. The next closest body, the Moon, typically around 384,400 km away from Earth, is about five orders of magnitude further from shops and restaurants than anywhere on Earth. | + | All other locations are rated as completely unwalkable, and remote from any shops or restaurants. The next closest body, the Moon, typically around 384,400 km away from Earth, is about five orders of magnitude further from shops and restaurants than anywhere on Earth. Venus is 108 million km away while Uranus is 2.9 billion, so all these bodies' clustering near the origin on the proximity scale masks a large difference in accessibility. The gas giants Jupiter and Saturn are assessed marginally higher walkability scores than the solid Mercury (where temperatures are extreme, but do briefly pass through the range survivable for humans as the planet rotates); maybe their less-hostile (and, in the case of Ganymede and Titan, physically larger) moons are taken into account here. |
Based on Earth's high score on both metrics, Randall makes the claim "I get why this place is so popular". Most humans would agree with Earth being preferable (no human is known to have permanently inhabited any celestial body besides Earth[https://www.planetary.org/worlds/pale-blue-dot]), but would be more concerned with local differences in livability. | Based on Earth's high score on both metrics, Randall makes the claim "I get why this place is so popular". Most humans would agree with Earth being preferable (no human is known to have permanently inhabited any celestial body besides Earth[https://www.planetary.org/worlds/pale-blue-dot]), but would be more concerned with local differences in livability. |