'Standard candle' (or type Ia) supernova explosions are some of the most energetic events in the Universe, happening when a dense white dwarf star subsumes another star. Now, scientists think they're found the first evidence on Earth of such a super
'Standard candle' supernova explosions are some of the most energetic events in the Universe, happening when a dense
Over billions of years, that mix of dust and gas would have turned into a solid, the researchers say, eventually forming the parent body that Hypatia came from sometime close to when our Solar System first came into being.
"If this hypothesis is correct, the Hypatia stone would be the first tangible evidence on Earth of a supernova type Ia explosion,""Perhaps equally important, it shows that an individual anomalous parcel of dust from outer space could actually be incorporated in the solar nebula that our Solar System was formed from, without being fully mixed in."
Of the 15 elements analyzed in the stone, several matched what would be expected if the object had come from a dense white dwarf star explosion.
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