Galaxy
Collection of stars, planets, gas, and dust.
Milky Way
Our galaxy containing solar systems.
Solar System
Consists of the Sun and orbiting planets.
Sun
Central star of the solar system
Mercury
Smallest and closest planet to the Sun.
Venus
Hottest planet with a thick atmosphere.
Earth
Only known planet supporting life
Mars
Red plants with the tallest volcano
Jupiter
Largest plants featuring the Great Red Spot
Saturn
Known for its prominent rings
Uranus
Planet tilted on its side
Neptune
Farthest planet with strong winds.
Tides
Caused by the Moon's gravitational pull.
Lunar Orbit
Moon orbits Earth every 27.3 days
Rotation
Earth spins on its axis every 24 hours
Revolution
Earth orbits the Sun every 365.25 days
Tilt of Earth
Earth's axis tilted at 23.5 affecting sunlight