Celestial Objects

The History of Astronomy

Astronomy is the scientific study of celestial objects (like stars, planets, comets, and galaxies) and phenomena that originate outside Earth’s atmosphere. Its history spans millennia, from early observations of the night sky to modern space exploration. Key Characteristics / Core Concepts Early Observations: Ancient civilizations made naked-eye observations, creating constellations and calendars. Geocentric vs. Heliocentric … Read more

Stellar Astronomy

Stellar astronomy is the branch of astronomy that focuses on the study of individual stars, their properties, evolution, and life cycles. It delves into the physics and chemistry of stars, examining their formation, internal structure, and eventual demise. Key Characteristics / Core Concepts Stellar Classification: Stars are categorized based on their temperature, size, and luminosity … Read more