NASA is monitoring a massive space rock, which experts believe can destroy mankind if it changes direction and struck the Earth.

The Slooh telescope internet channel has organized the 74,200 mph ‘near Earth’ flyby. It will be monitored and shown live online from 10pm GMT tonight.

According to a Slooh spokesman, Slooh will show live views of Potentially Hazardous Asteroid Icarus on the day of its closest approach. During that time, it will pass within just 5 million miles of Earth.

According to him, "Like its namesake, this space rock is getting in trouble for flying too close. Join Slooh for a live show to have a look at this 1 km long asteroid and learn why it’s an important object for astronomers to study and understand".

Icarus is moving past Earth, however it is millions of miles away i.e. 21 times the distance between the Earth and our Moon.

According to reports, it is necessary to monitor the asteroid since if it changes its direction by just a fraction it could hit Earth. The Slooh telescopes based on the Canary Islands will help see it. Slooh host Eric Edelman, and Slooh astronomers Will Gater and Bob Berman, will talk regarding the asteroid on the same internet stream.

The astronomers will also look into exciting history of Icarus, together with the time of 1960s, when some students by using the asteroid developed a plan in order to save the world in the event of a hit.