Each chapter starts with a description of the meteorite class, with a summary of the mineralogical, chemical and isotopic characteristics of the group. The full-color images are taken in plane- and ...

Another test would involve probing the orbital characteristics and physical properties of meteors using radar. If the authors’ hypotheses are correct, then there should be an excess of meteors ...

Approximately 3.26 billion years ago, a meteorite roughly 200 times larger than the one responsible for the extinction of dinosaurs crashed into Earth. This cataclysmic event, known as the S2 ...

“It allows us to say, of all these potential craters, we can narrow them down to 15, and then from the 15 we can narrow them down even further based on specific meteorite characteristics.

But Earth was young and a very different place when the S2 meteorite, estimated to have 50 to 200 times more mass than the dinosaur extinction-triggering Chicxulub asteroid, collided with the ...

As It Happens6:19Meteorite that hit Earth 3 billion years ago dwarfed rock that caused dinosaur extinction: study Over three billion years ago, a meteorite bigger than the city of Toronto struck ...

Although these depth estimates come with some uncertainty, the researchers compared them with the local geology of possible source craters and the characteristics and ages of the meteorites to see ...

But that was far from the largest meteorite to strike our planet. One up to 200 times bigger landed 3.26 billion years ago, triggering worldwide destruction at an even greater scale. But ...

It was four times the size of Mount Everest, unleashed a tsunami bigger than any in known human history and boiled the oceans — but an ancient meteor may also have nurtured life on Earth after ...