Models had predicted what should happen when a 12km-wide stony object from space ... port of Chicxulub. The impact description - scientists call it the dynamic collapse model of crater formation ...

around the same time as the asteroid that created the 200km-wide Chicxulub crater. Though the Nadir crater is much smaller, ...

The asteroid left a crater over 150 kilometres wide, centred just off the coast of the Yucatán peninsula in Mexico. It was named after Chicxulub Pueblo, a small town close to this point.

However, in 1991, scientists found that the Chicxulub crater was the right age to have ... (Like iridium, ruthenium is more abundant in space rocks than in Earth’s crust.) The team also analyzed ...

It’s thought that the huge Chicxulub crater in the Gulf of Mexico was caused ... and catalog 90% of near-Earth objects (NEOs). The space agency duly obliged, and now we have observatories ...

Chicxulub Crater - The impact that changed life on Earth ... Tim Peake/Nasa/ESA Mexico's Yucatan Peninsula viewed from the International Space Station So much sulphur mixed with water and injected ...