What Would Happen if All of the asteroids struck Earth at once

The majority of life on Earth was destroyed when this asteroid struck the planet 66 million years ago. including the largest, most vicious creatures to have ever wandered the earth. Dinosaurs, indeed. Humans would be in danger of going extinct if a rock this huge struck us now. Today, we examine the top five worst asteroids that have struck Earth in the recent past or in the near future. And we will simultaneously slam them into Earth. Warning: Earth does not prevail. #whatif #asteroid #earth #space #nasa #cosmos #simulation