A fireball in the sky, accompanied by a bang, amazed hundreds of eyewitnesses in northern Germany in mid-September last year. The reason for the spectacle was a meteoroid entering the Earth's atmosphere and partially burning up. One day after the observations, a citizen in Flensburg found a stone weighing 24.5 grams and having a fresh black fusion crust on the lawn of his garden.... PHYS.ORG · 1 month
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Primordial formation of major silicates in a protoplanetary disc with homogeneous 26Al/27Al  Science Magazine · 3 weeks
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