Orbital Mechanics Light Phenomena Meteor Showers Comets Solar Phenomena Celestial Phenomena Auroras Moon Gravitational Effects Meteors Planetary Motion Magnitude Light and Shadow Planetary Science Meteor Composition Meteor Physics Cosmic Phenomena Lunar Observation Celestial Mechanics Comet Characteristics Oort Cloud Black Holes Stellar Remnants Gravitational Interactions Star Characteristics Stellar Properties Research Methods Research Findings Light and Brightness Asteroids Interstellar Objects Celestial Bodies Extreme Conditions in Space Light and Color Lunar Aphelion Lunar Visibility Astrophysicists Star Formation Lunar Cycle Light Behavior Lunar Distance Solar System Binary Stars Distance Measurement Gravitational Influence Moon-Earth Relationship Lunar Orbit Aurora Borealis Lunar Size and Brightness Astronomical Events Radiation Pressure Solar Activity Planetary Characteristics Effects of Moon Phases Cosmic Structures Optical Effects Earth's Shadow Gravitational Capture Comet Tails Light Scattering Cometary Science Stellar Magnitude Public Observing Asteroid Belt NASA Cometary Behavior Instrumentation Meteorites Visibility Planetary Orbits Light Pollution Earth's Atmosphere International Astronomical Union
The ringed planet’s yearly opposition brings peak brightness under a moonless sky for easy backyard viewing.
