Solving the Code Language Puzzle: Identifying Earth's Satellite

This question asks us to figure out what Earth's only natural satellite is called in a specific code language. To solve this type of problem, we first need to identify the real-world object being asked about and then apply the given coding rules.

Identifying Earth's Natural Satellite

In reality, the Earth's only natural satellite is the Moon. This is a fundamental fact about our solar system.

Applying the Code Language Rules

The question provides a set of rules for how names are changed in this code language:

• star is called moon
• moon is called planet
• planet is called sun
• sun is called solar system
• solar system is called galaxy

We are interested in what the "moon" is called in this code language, because the Moon is Earth's natural satellite.

Looking at the rules, we see the second rule states:

moon is called planet

This means that in this particular code language, the object we know as the Moon is referred to as "planet".

Determining the Coded Name

Since Earth's only natural satellite is the Moon, and in this code language "moon is called planet", the Earth's only natural satellite is called "planet" according to these rules.

Let's summarise the mapping:

Based on the table and the logic, the Moon (Earth's satellite) is called "planet" in this code language.

Conclusion

Following the rules of the code language provided, where "moon is called planet", Earth's only natural satellite, the Moon, is called Planet.

Revision Table: Code Language Mapping

It's helpful to remember the direct mappings:

• star $\rightarrow$ moon
• moon $\rightarrow$ planet
• planet $\rightarrow$ sun
• sun $\rightarrow$ solar system
• solar system $\rightarrow$ galaxy

To find the code name for an object, find its real name on the left side of the arrow and see what it points to on the right side.

Additional Information: About Earth's Satellite

Earth's only natural satellite is indeed the Moon. It plays a crucial role in our planet's tides and stability of axial tilt. While the code language in the question renames it, its actual astronomical identity remains the Moon.