Massive asteroid impacts did not change Earth’s climate in the long term
Two massive asteroids hit Earth around 35.65 million years ago, but did not lead to any lasting changes in the Earth’s ...
来自MSN3 个月
Scientists uncover the largest crater on Earth under 100,000 years old
A crescent-shaped crater in Northeast China holds the record as the largest impact crater on Earth that formed in the last 100,000 years. Prior to 2020, the only other impact crater ever ...
MercoPress7 年
Falkland Islands basin shows signs of being among world's largest craters
“If the Falklands basin is really an impact crater, and it has some of the most telling features, then it is one of the largest known,” observes Michael Rampino, a professor in New York ...
EurekAlert!2 年
Moon's Largest Crater and Discovery (IMAGE)
Caption This false-color graphic shows the topography of the far side of the Moon. The warmer colors indicate high topography and the bluer colors indicate low topography. The South Pole-Aitken ...
Live Science on MSN4 天
Hailin impact crater: China's newly discovered meteor pit born from a 'nuclear explosion ...
The Hailin impact crater is a newly-discovered scar in the mountains of Northeast China left behind by a meteor impact, but ...
sciencex2 年
Asteroid that formed ancient crater larger than previously believed
The impactor—most likely an asteroid—formed what is today the biggest crater on the planet. Scientists have widely accepted, based on previous research, that the impact structure, known as the ...