Our planet is more resilient than you would believe — but humans aren't.
After dominating the Earth for more than 160 million years, the dinosaurs were finally wiped out by a space visitor.
Approximately 66 million years ago, an asteroid measuring at least 6 miles (10 kilometres) was discovered.
It inflicted a terrible blow to the dinosaurs' world, causing earthquakes, tsunamis, and volcanic eruptions.
Is this to say that our planet is immune to asteroid Armageddon? If the dreaded dinosaur-killing asteroid hits,
The quick answer is that it would most likely take a planet-sized object to destroy our planet. However, it would take a long time.
a scientific theory proposing that 4.5 billion years ago, a Mars-sized planet named Theia collided with Earth
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