Yarrabubba, Planet’s Oldest Asteroid Impact –“May Have Ended Snowball Earth”

  “Our findings highlight that acquiring precise ages of known craters is important – this one sat in plain sight for nearly two decades before its significance was realized. Yarrabubba is about half the age of the Earth and it raises the question of whether all older impact craters have been eroded or if they … Continue reading Yarrabubba, Planet’s Oldest Asteroid Impact –“May Have Ended Snowball Earth”