NASA and ESA are protecting Earth from Asteroids
Thousands of Asteroids are around the Earth however those are not harmful to us. But Engineers says that Every asteroid is not Risk-free for us. The next week there would be a meeting between the US, Rome and more countries regarding asteroids.
As much we can expect is, Till 2022 Expert teams would get to throughout these Asteroids from our Atmosphere. Engineers are launching a mission "asteroid deflection" It's a double spacecraft mission that can decrease Aesteroid counts from the atmostphere.
What is Asteroids?
Any Broken Chunks from Any Planet is Called Asteroid. Basically When two Planets bump into each other that time crores of Asteroids are created. and those asteroids can also harm to other planets.