or, it is some random rock that happened to be under water the other day.
Sergei Zamozdra, an associate professor at Chelyabinsk State University, told Russian television the excavated fragment was definitely a chunk of the meteorite.
The mineralogical analysis should be interesting: Was is metal (if so, which) or silicate?
The threat of another asteroid strike like the one that hit Russia earlier this year is much higher than was previously thought, a study suggests.Researchers have found that space rocks of a similar size to the one that exploded over Chelyabinsk are hurtling into the Earth's atmosphere with surprising frequency.Scientists say early warning systems need to be put in place.