Asteroid 2024 YR4 can hit the soil in 2032 – How worried should we be?

Telescopes all over the world are currently trained in a building size asteroids throwing themselves in the direction of the Earth in an attempt to try to understand if it can hit us. Our current best guess is that this object, called 2024 YR4, has a 1-I-43 chance of beating in 2032, the highest risk of any known asteroid. But what does this number really mean and when should we start panicking?

Astronomers continuously track thousands of asteroids as they move through our solar system. This information is then gathered at the Minor Planet Center, …