Question

Which ranks the terms in order of increasing size and the number of space objects contained within?

Answer 1

Answer;

A) Size: universe -> galaxy -> solar system  

Number of objects: universe ->galaxy -> solar system

Explanation;

• The relative size and relationship between the solar system, galaxy and universe is such that; universe is the largest, followed by the galaxy and solar system the smallest.
• Similarly in terms of the number of objects, objects in the universe are more compared to those of the galaxy and the solar system.
• In a nut shell, universe refers to everything that exists, galaxies are giant structures that are made up of billion of stars. The universe is made up of billions of galaxies. A solar system is a region of space where the gravitational force of a star influences all the other objects.