The Daily Galaxy on MSN8 小时
Could Supernovae Have Triggered Ancient Mass Extinctions on Earth?
Exploding stars in near-solar space may have triggered at least two mass extinction events in Earth’s history. A new study ...
Violent supernovae 'triggered at least two Earth extinctions,' study suggests
At least two mass extinction events in Earth's history were likely caused by the "devastating" effects of nearby supernova ...
ScienceAlert on MSN1 天
Violent Supernovae Could Have Triggered at Least 2 Extinction Events
Exploding stars in near-solar space may have triggered at least two mass extinction events in Earth's history. An analysis of ...
National Geographic news13 年
Ordovician Period
But once Gondwana took up its polar position in the late Ordovician ... the planet toward the end of the Ordovician. This resulted in the second largest mass extinction of all time, wiping ...