When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. On Nov. 6, 1572, the German astronomer Wolfgang Schulër observed a supernova with his bare eyes.

How can I recharge my BSNL mobile online? Bharat Sanchar Nigam Limited or BSNL is India’s leading telecom service provider which provides services throughout the country, excluding Delhi and Mumbai.