Russian Meteor – Travelled billions years to reach Earth

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In February 2013, Russian meteor case that injured more than 1000 people has recently identified by scientists that it is from a Chondrites. Based on its minerals content analysis, it is confirmed it comes from an approximately 4.5 billion years old chondrite. It is amazing that outside from our daily life, there are billion of years stuff in the space waiting for us to explore. On Earth, we talk about planning in years. But it went undetected without warning to hit Earth. We do need to improve more to prevent a potential sudden hit problem again.

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