Jump to Navigation

發表新回應

Scientists have identified the world's oldest asteroid crater in Australia, adding it may explain how the planet was lifted from an ice age. The asteroid hit Yarrabubba in Western Australia about 2.2 billion years ago - making the crater about half the age of Earth, researchers say. Their conclusion was reached by testing minerals found in rocks at the site.

롤대리팀The scientists say the find is exciting because it could account for a warming event during that era. The Curtin University research was published in the journal Nature Communications on Wednesday. How did they date it? The crater was discovered in the dry outback in 1979, but geologists had not previously tested how old it was. Dinosaur extinction: 'Asteroid strike was culprit' Splosh! How to make

http://casathome.ihep.ac.cn/team_display.php?teamid=551454 to billions of years of erosion, the crater is not visible to the eye.

https://writeablog.net/godfreyneumann5/style mapped scars in the area's magnetic field to determine its 70km (43 miles) diameter.



Main menu 2

by Dr. Radut.