3d
Live Science on MSNA giant extraterrestrial 'wave' hit Earth 14 million years ago — and may have dramatically altered our planet's climateOur solar system's journey around the center of the Milky Way takes it through varying galactic environments, and one may ...
"Such a transition to a glacial state in 10,000 years' time is very unlikely to happen, because human emissions of carbon ...
10d
New Scientist on MSNThe solar system was once engulfed by a vast wave of gas and dustThe stars as seen from Earth would have looked dimmer 14 million years ago, as the solar system was in the middle of passing ...
It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid ...
Earth formed over 4.5 billion years ago from a swirling cloud of gas ... from molten nickel and iron that can reach temperatures of 9,000 degrees Fahrenheit (5,000 degrees Celsius).
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