Final answer:
The three cosmic structures should be arranged from smallest to largest as follows: Solar System, Milky Way Galaxy, Universe. The Solar System includes our Sun and planets, the Milky Way is a galaxy with many stars and solar systems, and the Universe contains all galaxies.
Explanation:
Ordering Celestial Structures
In this question, we are asked to arrange three cosmic entities in order from smallest to largest: the Solar System, the Milky Way Galaxy, and the Universe. To clarify, here is a brief overview of each:
- Solar System: This consists of our Sun and the celestial bodies that orbit it, including planets like Earth, Mars, and so on. It is the smallest of the three structures.
- Milky Way Galaxy: This is the galaxy that contains our Solar System along with billions of other stars and their respective planetary systems. It is significantly larger than the Solar System.
- Universe: The Universe encompasses all galaxies, including the Milky Way, and exists on the largest scale, containing everything we can observe and many things beyond our current understanding.
Thus, the correct order from smallest to largest is:
- Solar System
- Milky Way Galaxy
- Universe
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