Asteroid itself triggered global warming
Till now our earth has faced such dangers four times. About 2.229 billion years ago, an asteroid in Australia formed the Yarabubba Crater. Before this collision, Earth was largely an icy planet. But it was the Yarabubba collision that triggered global warming, which released nearly half a trillion tons of water vapor into the atmosphere. The 35 million-year-old giant crater in Russia’s northern Siberia is also an example, which was formed by the collision of asteroids.
Asteroids killed dinosaurs
Similarly, the Chicxulub crater in Mexico is more than 660 million years old. It is believed that it was formed by the collision of the same asteroid, after which about 75 percent of the living beings were wiped out, including the dinosaurs. The most recent phenomenon dates back to the 19th century, when Mexican astronomer Jose Bonilla observed more than 300 mysterious objects passing in front of the Sun in 1883. In 2011 it was discovered that they were probably fragments of a comet weighing billions of tons that had passed just a few hundred km from Earth.