Main Idea of Solar System Lecture
Hello everyone, and welcome to today's lecture on the solar system. In this talk, we will discuss the different planets that orbit our sun. The solar system consists of eight major planets, which are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Each planet has unique characteristics and features. For example, Earth is the only planet known to support life, while Jupiter is the largest planet with a great red spot. We will also touch on the asteroid belt and the dwarf planet Pluto, which used to be considered the ninth planet of the solar system.
Note: This question has been adapted from its original format to accommodate a reading-based version. In the official TOEFL exam, speaking and listening sections require verbal responses and audio prompts, which are not represented here. Please note that this adaptation may not fully reflect the nature or difficulty of the official exam. The audio feature for these sections will be available soon.