Planet trail

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what is it?

[different from Woking#Cycle Routes]

A class of self-guided walking tour with stops themed as planets, usually sized and spaced to scale (1:10^9, a.k.a. one-billionth / one-milliardth is popular). May or may not include Pluto, the moon(s) for Earth or other planets, other small system bodies, or spacecraft.

how to map a planet trail

Make a site relation, with each stop as a node.

list of planet trails

(gleaned from wikidata:special:whatlinkshere/Q174713 and elsewhere)

Scale Nation City Relation Sun Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Other
1000000000 DK Fjerritslev relation 11195378 ,
250000000 US Sunspot relation 14106555 ,