What is another word for inferior planet?
Pronunciation: [ɪnfˈi͡əɹɪə plˈanɪt] (IPA) 
An inferior planet, also known as an inner planet, refers to any planet in our solar system that is closer to the sun than Earth. The two inferior planets in our solar system are Venus and Mercury. Many synonyms exist for this term, including inner planet, innermost planet, and lower planet. Another term often used is terrestrial planet since Venus and Earth share similar characteristics, such as having solid surfaces and being made mostly of rock. Inferior planets are often studied by scientists to gain a better understanding of the formation and evolution of our solar system.
