Stellar Characteristics: Luminosity, Magnitude, Size, and Distance
Learn about
- Chemical Composition of Stars
- Spectral Classification of Stars
- Stellar Mass and Luminosity
- Stellar Radius and Temperature
- Stellar Sizes and Distances
Eclipse Education
Star Systems
Learn about
- Binary Stars
- Star Clusters
- Galaxies
- Survey of Stars
Observing Stellar Objects
Learn about
- Telescopes and Observations
- Studying Stellar Objects
- Calibrating the Positions of Stars
- Brightness and Magnitude of Stars
-
Photometry of Stars
Classification of Stars
Learn about the types of star classification systems as well as the life and death of stars like our Sun and others
Planetary Geology of Inner Planets and Pluto
Planetary Geology: Exploring the Geological Mysteries of the Solar System Planetary geology, also known as astrogeology, is the branch of geology that studies the solid objects in the Solar System...
Planetary Magnetism of the Inner Planets
Learn about what causes planetary magnetism and the inner planets' magnetic characteristics
Moons of the Solar System
Learn about how natural satellites form and the characteristics of some, not all, "moons" in the solar system
Planetary Ring Systems
Learn how planetary rings are formed and why some planets have them while others do not
Planet X and the Sun's Sibling
Planet X: An Overview Planet X represents a theoretical ninth planet located in the outer parts of our Solar System. It is believed to be a giant planet, similar to...
Planet Classification
Learn how planets, both terrestrial and jovian (gaseous), are classified
How Astronomy Has Impacted Our Lives
Lear about applied astronomy
- Astronomy & Technology
- Astronomy & Space Exploration
- Astronomy & Earth Sciences
- Astronomy & Climate Studies
- Astrobiology
Planetary Motion of Earth
Learn about planetary motion and how it impacts life on earth