Astronomy Practice Exam 2026 – Complete Preparation Guide

Question: 1 / 460

Which of the following is NOT considered an outer planet?

Jupiter

Earth

The notion of outer planets refers specifically to those planets located beyond the asteroid belt in our solar system. These generally include Jupiter, Saturn, Uranus, and Neptune. All of these planets are gas giants or ice giants and are characterized by their larger size and different compositions compared to the inner planets.

Earth, on the other hand, is classified as an inner planet, or a terrestrial planet. It is situated in the inner solar system and is primarily composed of rock and metal. Inner planets are smaller and have solid surfaces, distinct features that differentiate them from the outer planets.

Understanding the classifications of planets is important in astronomy as it helps in the study of planetary formation, composition, and the characteristics of different celestial bodies within our solar system.

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Uranus

Neptune

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