Gravitational Wave Astronomy: Story until the GW150914 Observation

LIGO control room

Notes from Lecture ‘First five years of Gravitational wave astronomy’ by Prof. Archana Pai, Department of Physics, IIT Bombay. World Space Week, Webinar organized by National Space Society(USA)-Mumbai. A broad overview Gravitational-Wave astronomy is an emerging branch of observational astronomy. A distant cousin, we can say, of optical (electromagnetic-wave) astronomy. It’s a young field – … Read more

Oldest Depiction of Supernova in Stone Carving

This is a follow-up post on “Indian Records of Crab Nebula“ Earlier I have written about possibility of Indian records of SN1054 – you may see the article on above link. This one is however is relatively new discovery. In 2018, oldest skymap depicting Supernova explosion was unearthed in Kashmir, India. Skymap is a 5000 … Read more