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Solar System Symbols - NASA Science
Planetary symbols - Wikipedia
Astronomical symbols - Wikipedia
Astronomical Symbol - Solar System Bodies & Planets - Online
Symbols of the Planets - Universe Today
Quick guide to astronomical planet symbols - August 13, 2018
What are the Signs of the Planets? - Universe Today
Mercury | Facts, Color, Size, & Symbol | Britannica
What are Astronomical Planet Symbols used to Represent the Planets …
Facts About Astronomical Symbols - 8 Planets