ORMOUS 🌒 on Instagram: "😨 Is this the sharpest view of a supernova explosion ever!? — for a few moments it outshone its entire galaxy. In 2014, astronomers observed SN 2014J, a Type Ia supernova in the Cigar Galaxy (M82) — just 11.4 million light-years away. 🔭 This was the closest Type Ia blast in more than 40 years, triggered when a white dwarf stole too much material from its companion star and detonated. 💡 Light Echo: The explosion’s light bounced off giant interstellar dust clouds 300–1,