Scientists are intimate that two dissimilar meteors , not a individual bang , may have wiped out dinosaurs some 65 million years ago . Interestingly , they come upon Earth 1000 of age apart .
The find of the second impact crater ( place in Ukraine ) actually was report in 2002 but scientists were incertain of how the timing related to the original impingement volcanic crater ( located in the Gulf ) . In their current written report , scientists are analyse fossil plants that have take the crater and more specifically , ferns .
Ferns have an awe-inspiring power to reverberate back after disaster . Layers full of fern spore – dubbed “ fern spike ” – are considered to be a good “ marking ” of retiring shock event .
However , there was an unexpected discovery in storehouse for the scientists . They located a 2d “ fern spike heel ” in a layer one cadence above the first , suggest another later shock event . Professor Simon Kelley of the Open University , who was co - author on the discipline , said : “ We interpret this 2d layer as the wake of the Chicxulub encroachment . ”
This shows that the Boltysh and Chicxulub impacts did not happen at on the button the same time . They strike several thousand years apart , the length of clock time between the two “ fern spike ” .
So scientist are begin to think that Earth peradventure endured a meteor exhibitioner that cross M of years , which is sort of insane and frightening to think about . It ’s to the full possible that they ’ll discover more evidence of wallop events in the future . [ BBC ]
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