Jayant Narlikar, Indian astrophysicist who challenged Big Bang theory, passes away, Pg14

Internationally acclaimed for co-developing the Steady State Theory of the universe with Fred Hoyle, as an alternative to the Big Bang.

Played a foundational role in establishing the Inter-University Centre for Astronomy and Astrophysics (IUCAA).

Authored scientific, philosophical, and science fiction works; advocated for scientific temper and rationality in Indian society.

Received the Padma Bhushan (1965) and Padma Vibhushan (2004), and several international recognitions.

Detailed Insights:

The Steady State Model posited a continuous creation of matter, in contrast to the Big Bang’s single-origin approach.

Narlikar remained a vocal critic of the Big Bang theory, promoting open scientific debate.

Mentored numerous scientists, influencing Indian cosmology and astrophysics.

Advocated against pseudoscience and superstition, stressing equity, reason, and humility.

Key literary works: Chaār Nagarantale Maze Vishwa (won Sahitya Akademi Prize), science fiction, and educational writings for youth.

Appeared frequently on TV to demystify science, crediting influences like Carl Sagan, Arthur C. Clarke, and Isaac Asimov.

Key Concepts:

Steady State Theory: Suggests the universe has no beginning or end and is constantly creating matter to maintain density despite expansion.

IUCAA: India’s leading institution for theoretical astrophysics and cosmology.

Science Popularisation: Efforts to make science accessible and engaging to the public, a cause Narlikar championed.

Significance:

Narlikar bridged the gap between elite scientific research and mass public understanding.

His legacy lives on in institutions, students, and the continued fight for rationality and scientific thinking in India.

He is a model of how scientific excellence and public engagement can coexist.

Mains Mock Question:

Discuss the scientific and social contributions of Jayant Narlikar in shaping India’s cosmological research and promoting scientific temper.