搜索头条

“Meteor”

3

Meteor hit Oklahoma 100 million years later than previously thought
科学与环境

Meteor hit Oklahoma 100 million years later than previously thought

Researchers at The University of Texas at Austin have rewritten a small part of Oklahoma's geologic history with global implications for ancient life. Below the surface of the small town of Ames, Oklahoma, a meteor impact site spans miles. The crater is buried by sedimentary stra

Phys.org - latest science and technology news stories ·

AL
科学与环境

The Solar System chose fire over ice from the very beginning

Ancient iron meteorites reveal that some of the Solar System’s first solid bodies were built mostly from tiny heat-forged rock beads called chondrules, while water-rich dust was largely excluded. The finding pushes this selective planet-building process back to within the Solar S

All Top News -- ScienceDaily ·