🎖️ Defence🗞️ Current Affairs

The term 'Sagittarius A*', sometimes mentioned in news, refers to-

aa supermassive black hole in our Milky Way Galaxy

btwo giant black holes spiralling around each other several lightyears away from the Earth

ca Supernova explosion seen in real time for the first time ever by scientists

da huge asteroid that passed by very close to the Earth

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