By Dr. S.A. Mohan Krishna, Observational Astronomer Coronavirus (COVID-19), lockdown, sultry weather, home stay… People are fed up of this ongoing pandemic. But now, completely deviating from COVID-19 to Astronomy, on Apr. 8, Indians are fortunate to witness the spectacular, resplendent and biggest Supermoon of this year. This is known as lunar perigee and a…