Jupiter Endangers Earth, and May Have Extincted the Dinosaurs
3 Articles
3 Articles
Jupiter endangers Earth, and may have extincted the dinosaurs
One of the greatest existential threats to life on Earth is a tremendous cosmic impact. Whether from an asteroid, comet, or even an interstellar interloper, an energetic-enough collision with Earth — typical of objects a few kilometers or larger in size — could easily cause a mass extinction event. In the worst-case scenario, it could even completely sterilize a living world, bringing an end to a multi-billion year chain of life. These events ha…
In a remote desert, scientists have discovered one of the oldest impacts of Earth's asteroids. It dates well over a billion years ago, at a time when our planet was inhabited only by single cell life. The impact has occurred on what is now called North Pole Dome in [...]
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