The Daily Galaxy on MSN1 天
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 ...
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 ...
ScienceAlert on MSN2 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 ...