Introductory Cosmology

The "Introductory Cosmology" course is designed to be beneficial for both postgraduate (PG) and undergraduate (UG) students. This course will delve into the fascinating concepts surrounding the origin and evolution of the universe. Among the many intriguing topics covered are Cosmic Microwave Background (CMB) radiation, Big Bang Nucleosynthesis, dark matter, and dark energy.

The course is structured into seven lectures, each featuring short videos to enhance understanding and engagement. In the very first video, you will be introduced to the historical development of cosmology, tracing how our understanding of the universe has evolved over time. This introductory video also covers the classical idea of the Friedmann Equation, a fundamental aspect of cosmological models.

The universe has always been a source of mystery and wonder, captivating our imagination since childhood. Many of us have pondered questions about the universe and its origins, driven by a deep fascination with the cosmos. Whether your interest in cosmology and astronomy is driven by personal curiosity or academic requirements, this course is designed to meet both needs effectively.

It provides a concise yet comprehensive introduction to the field, serving as a stepping stone for more advanced studies in cosmology. The course focuses primarily on qualitative understanding, with minimal reliance on mathematical derivations, making the concepts accessible to a broad audience. As of May 2025, over 700 students have already enrolled in this course, reflecting its popularity and the value it offers.