Ancient tektites uncover massive asteroid impact – Astronomy Magazine

1. Ancient tektites uncover massive asteroid impact  Astronomy Magazine
2. Researchers Find Evidence of a Mysterious Giant Asteroid Impact, but They Don’t Know Where Its Crater Is  Smithsonian Magazine
3. Pieces of ‘cosmic glass’ found only in Australia hint at a giant asteroid impact  Earth.com
4. The Search for Australia’s Hidden Impact Crater  Universe Today
5. Weird glass in Australia appears to be from giant asteroid impact — but scientists ‘yet to locate the crater’  Yahoo

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