Asteroid crash 290 mn years ago may have led Russian meteor on collision course with Earth
Zee Media Bureau/Ritu Singh
Washington : After the unfortunate Russian meteor strike last year, scientists have constantly been trying to unfold the mechanisms behind the second largest asteroid airburst in human history. In a recent study, researchers have said that the meteorite that rocked Russia last year could have been sent on the collision course with Earth after it crashed into another asteroid as long as 290 million years ago.
This discovery has been made by lead researcher Shin Ozawa, of Japan`s University of Tohoku, and his team. An unusual form of the mineral jadeite embedded in glassy structures known as shock veins was collected from the fragments of the asteroid recovered after the powerful Feb. 15, 2013 strike.
Shock veins typically form when the parent body of a meteor or asteroid collides with a larger object in space. Heat and pressure from the impact cause rock to melt and it later reforms bearing vein-shaped patterns.
According to the scientists, the parent asteroid, from which the Chelyabinsk meteor broke off, crashed into another asteroid in space at anywhere from 1,440 - 5,400 km/h. The second asteroid was at least 150m in diameter, and the crash sent the final 20m wide meteor in Earth`s direction.
More from India
More from World
More from Sports
More from Entertaiment
- Paid sex: Good or bad? This girl was too eager to find out - Watch what happened!
- Massive storm at JNU over Afzal Guru as 'anti-India' slogans raised; university orders disciplinary enquiry
- Net Neutrality: Facebook board member's offensive tweet on 'colonialism' leaves Indians fuming
- Superstar Shah Rukh Khan's CPL franchise is now Trinbago Knight Riders
- 'Heartbroken' Virat Kohli deletes, then re-posts his sad pic