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meteor

Unusually bright fireball shoots over the Midwest

Katy Szpak

There was a fireball sighting over the Midwest Thursday around 11:35 p.m.
How Old Is Cosmic Dust?

Walker Rhea

By studying various kinds of rocks, scientists know that our solar system is about 4.6 billion years old. However, in 2019 an international team of researchers reported that they found tiny grains of dust in a meteorite that fell in Australia in 1969 that may be 7 billion years old.