Astronomy Practice Exam

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Which planet is seventh from the sun?

Jupiter
Uranus
Earth
Saturn

The correct answer is: Uranus

Uranus is the seventh planet from the Sun in our solar system. The order of the planets starting from the Sun is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and then Neptune. This sequence is determined by the average distance of each planet from the Sun. In this context, Uranus is distinct not only for its position but also for other characteristics, such as its unique axial tilt and gaseous composition. Unlike the terrestrial planets situated closer to the Sun, Uranus is classified as an ice giant, containing a higher concentration of water, ammonia, and methane compared to the gas giants like Jupiter and Saturn. Understanding the arrangement of planets helps in grasping the broader concepts of the structure of our solar system and the dynamics that govern planetary motion.