விண்கற்களை கண்டு அலறும் விஞ்ஞானிகள்.. உலகிற்கு பேராபத்து இதனால்தானா! விளக்கும் ஆய்வாளர்கள்!

There have been numerous reports claiming that asteroids are going to collide with Earth and that this could lead to the destruction of the world. But are asteroids really that dangerous? If so, why? This report attempts to answer these questions.