The Cretaceous-Tertiary (KT) extinction event,also known as the KT boundary,was a period of massive extinction of species that occurred about 65.5 million years ago. The spheres shown here represent material that was melted from a large meteorite impact. Flung high into the earths atmosphere,these hot particles rained down,killing most life on the planet. These specimens are from Spain and were photographed at 50x magnification | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Kinsman, Edward |
Taille de l’image : | 4500 px × 3000 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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