What is gaganachari?

Gaganachari was an early 20th-century astronomer and meteorologist from Bengal, India. He is known for his work at the Kodaikanal%20Observatory, where he conducted research on solar phenomena and the Earth's atmosphere. His observations and studies contributed significantly to the understanding of solar%20physics and the ionosphere. His work, though not widely publicized, played a crucial role in the advancement of astronomical research in India during that era.