Equivalent to 1,800 tonnes of TNT: what we now know about the meteor that lit up the daytime sky above New Zealand - The Conversation

When the meteor exploded into pieces above New Zealand, it produced a shock wave strong enough to be picked up by earthquake seismometers. But any fragments have likely dropped into the ocean.

Meteorites hit New Zealand three or four times a year, but the fireball that shot across the sky above Cook Strait last week was unusual. It had the explosive power of 1,800 tonnes of TNT and was ca… [+4003 chars]

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