2 min listen
153E-165-One Two Punch
ratings:
Length:
2 minutes
Released:
Nov 2, 2021
Format:
Podcast episode
Description
About 35 million years ago the Earth was impacted by two large asteroids creating the more than 50 mile diameter Popigai [pop a gay i] Crater in Russia and a similar crater in Chesapeake Bay in the USA. Analysis of fragments indicate that the impacting objects were not made of the same material. This finding has led scientists to speculate that there may be an astronomical process which changes conditions in the inner asteroid belt and causes the Earth's orbit to change slightly. This combination could have triggered the ice age which caused the first significant ice sheet in Antarctica to form and led to the last major extinction event in the Earth's history.
Released:
Nov 2, 2021
Format:
Podcast episode
Titles in the series (100)
79-Space Travelers-Lunar Meteorites: Rocks from the Moon can end up on the surface of the Earth and be worth more than diamonds or gold. by Travelers In The Night