Источник — https://html-shark.com/HTML/Planets.htm
Коды для астрономии
| Character | HTML code | Numeric code | Hex code | Description |
| ☿ | ☿ | Mercury | ||
| ♀ | ♀ | Venus | ||
| ♁ | ♁ | Earth | ||
| ♂ | ♂ | Mars | ||
| ♃ | ♃ | Jupiter | ||
| ♄ | ♄ | Saturn | ||
| ♅ | ♅ | Uranus | ||
| ♆ | ♆ | Neptune | ||
| ♇ | ♇ | Pluto |