(30) Urania, proportional measures of quantity in recipes and diets

(30) Urania is a main belt asteroid discovered in July of 1854. It has a perihelion of 2.1 AU and an aphelion of 2.7 AU. There is an important observation in February of 1860 and also in the years 1948 and 2000. It has a diameter of about 100 km.

Greek Mythology

Urania (meaning ‘heavenly' or 'heaven') was the muse of astronomy and astrology. She was shown blue dressed, colour of the heavenly vault, with the Earth globe in her hands, in which she is measuring positions with a compasses. She has a crown or a headband with a formation of stars. At her feet there are some mathematics instruments.

(30) Urania is related to inventory lists, like the supermarket shopping list, where every item is detailed by units. In a context of food, (30) Urania is related to the proportional measures of quantity of each ingredient in recipes, or to self-records in diets (calculated in calories).

The concept of quantity of (30) Urania, also con be applied to time units, like for example "x days to full ripeness" or "x hours before expiration". Which is related with the concept of quality of the source of food.