Asteroid could hit Earth and spark global winter as scientists pinpoint year it could hit
Dust and other debris would rise into the atmosphere on Bennu striking Earth, blocking out the Sun and cooling the planet to ...
The Why Files on MSN2 天
Why The Dinosaurs Died | The Chicxulub Asteroid Impact
One of the deepest scars on our planet is hidden beneath the Yucatán Peninsula and the Gulf of Mexico. The buried crater, over 90 miles in diameter, was created when a massive asteroid struck the ...
来自MSN3 天
Scientists discover massive underwater crater that is 3x larger than the Grand Canyon
About 35 million years ago, an asteroid struck the ocean off the East Coast of North America, leaving behind a massive impact ...
El País in English10 天
A meteorite carved two valleys as deep as the Grand Canyon on the Moon in just 10 minutes
The gigantic cataclysm, which released energy 130 times more powerful than the detonation of the entire world’s atomic ...
NASA’s Asteroid Bennu Could Cause A Global Catastrophe, Scientists Say
Bennu’s highly unlikely impact with Earth—which could happen in 157 years—could cause a global winter and drought, modeling ...
EurekAlert!1 个月
Asteroid impact sulfur release less lethal in dinosaur extinction
the Chicxulub asteroid, estimated to be 10-15 kilometer in diameter, struck the Yucatán Peninsula (in current-day Mexico), creating a 200-kilometer-wide impact crater. This impact triggered a ...
Phys.org1 个月
New evidence suggests sulfur's role in dinosaur extinction was overstated
the Chicxulub asteroid, estimated to be 10–15 kilometers in diameter, struck the Yucatán Peninsula (in current-day Mexico), creating a 200-kilometer-wide impact crater. This impact triggered a ...
How an Asteroid Hit the Moon and Made Two 'Grand Canyons'
A colossal impact billions of years ago carved out the canyons that rival the most breathtaking features here on Earth in a ...