Lectures related to Pre-main-sequence star

Covers stellar evolution, fusion processes, and the age of stellar clusters, emphasizing gas pressures and star evolution based on mass.

Covers the life cycle of stars, core collapse, supernova explosions, and their remnants.

Introduces spectral classification of stars and the HR diagram.

Covers solar physics, including the Sun's properties, energy transport, sunspots, and the solar cycle.

Explores the birth, life, and death of stars, including fusion processes and white dwarf formation.

Covers the basics of file handling in C, common issues, and standard functions.