Interstellar invader: the cosmic event that rewrote Earth’s climate history
Two million years ago, the solar system encountered a dense interstellar cloud that may have significantly affected Earth’s climate by compressing the heliosphere and exposing the planet to high levels of cosmic and galactic radiation. (Artist’s concept.) Credit: SciTechDaily.com New astrophysical research highlights a major cosmic event two million years ago, when the solar system … Read more