Curtin University researchers use innovative techniques to date three-billion-year-old impact crater in Pilbara region A meteorite that struck Earth three billion years ago left behind a “smoking gun” – evidence of the world’s oldest impact crater in a remote part of Australia. Ancient rocks in Western Australia’s Pilbara region record the event, which occurred during the Archean eon, a period 4 to 2.5 billion years ago, when tectonic plates were beginning to form and early life emerging. Continue reading... from The Guardian https://ift.tt/vFNkr3E via IFTTT
- Aston Villa captain targets Champions League spot
- Victory means hosts will stretch lead over Spurs to eight points
Aston Villa’s captain, John McGinn, has described Sunday’s top-four crunch match at home to Tottenham Hotspur as the biggest league game in the club’s recent history.
Victory for Villa, who are fourth in the Premier League, would extend their buffer to fifth-placed Spurs to eight points with 10 games to play (though Spurs have played a game fewer). McGinn, who joined Villa in 2018, said the players understood the significance of the Tottenham test. Fourth place would guarantee Champions League football for Villa, who have not played in the European Cup since 1982-83.
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