Windows to the Universe

Dinosaurs dying at the end of the Cretaceous Period. Volcanism is thought to be one of the main causes of the dinosaurs dying out.
Courtesy of NSF

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Dinosaurs dying at the end of the Cretaceous Period. Volcanism is thought to be one of the main causes of the dinosaurs dying out. Courtesy of NSF

Dinosaurs dying at the end of the Cretaceous Period. Volcanism is thought to be one of the main causes of the dinosaurs dying out. Courtesy of NSF

Dinosaurs dying at the end of the Cretaceous Period. Volcanism is thought to be one of the main causes of the dinosaurs dying out. Courtesy of NSF

Dinosaurs dying at the end of the Cretaceous Period. Volcanism is thought to be one of the main causes of the dinosaurs dying out.
Courtesy of NSF

Dinosaurs dying at the end of the Cretaceous Period. Volcanism is thought to be one of the main causes of the dinosaurs dying out.
Courtesy of NSF

Dinosaurs dying at the end of the Cretaceous Period. Volcanism is thought to be one of the main causes of the dinosaurs dying out.
Courtesy of NSF