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
- Murray loses 7-5, 5-7, 6-7 (5) to Czech in third round
- Scot felt ankle injury before tie-break but carried on
For three hours and 28 minutes, Andy Murray battled with everything he had, even when he almost had nothing. First he played brilliantly in the early stages against the talented Tomas Machac, but he just could not find a way to close it out. Then just as the match seemed to be passing him by, Murray mounted an incredible comeback. In the final, decisive moments, Murray hurt his left ankle, yet somehow he still battled on.
In these last months of one of the great careers of this century, the Scot gave yet another demonstration of his resilience and heart, but it still was not enough. He limped out of the Miami Open on Sunday with an agonising 5-7, 7-5, 7-6 (5) defeat to Machac in the third round.
Continue reading...from The Guardian https://ift.tt/HwByX5V
via IFTTT
Comments
Post a Comment