Vocabulary Words and Definitions
Habitable
Definition: Capable of supporting life; an environment that can sustain living organisms. A habitable zone, often referred to as the "Goldilocks zone," is the region around a star where conditions may be just right for liquid water to exist, making it possible for life to thrive.
Rocky Planet
Definition: A type of planet primarily composed of solid rock and metal. Rocky planets, also known as terrestrial planets, typically have a solid surface and can host features like mountains, valleys, and craters. Examples include Earth, Mars, Venus, and Mercury.
System
Definition: A collection of interrelated components working together as a cohesive whole. In astronomy, a "system" often refers to a collection of celestial bodies bound together by gravity, such as a solar system (which includes a star and the planets, moons, asteroids, and comets that orbit it) or a galaxy. It can also refer to a set of rules or principles governing an organized structure or concept.