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Luis Walter Alvarez, left, and his son Walter, right, at the K–T Boundary in Gubbio, Italy, 1981. The Alvarez hypothesis posits that the mass extinction of the non-avian dinosaurs and many other living things during the Cretaceous–Paleogene extinction event was caused by the impact of a large asteroid on the Earth.
The PBS Kids Writers Contest is an annual art and literature competition for students grades kindergarten to 12 in the United States. The competition was relaunched under the name PBS Kids Go! Writers Contest in 2009 as a continuation from its predecessor called Reading Rainbow Young Writers and Illustrators Contest [ 1 ] which was started in 1995.
Dinosaurs Alive! is a 2007 IMAX documentary produced by Giant Screen Films about various dinosaurs that inhabited the Earth between 251 and 65 Ma.The documentary features animals from the Triassic period of New Mexico to the Cretaceous period of Mongolia, as well as the American Museum of Natural History's research on both periods.
Beneath the snowy slopes lay a prehistoric surprise: an ecosystem that predates the dinosaurs, revealed by melting snow before being stumbled upon by a hiker in the Italian Alps.
While the dinosaurs met their end around 66 million years ago in a catastrophic way, their extinction may have been crucial to the development of the human race.
One of the largest dinosaurs known from reasonably complete remains Pellegrinisaurus: 1996 Allen Formation (Late Cretaceous, Campanian to Maastrichtian) Argentina: May have lived inland unlike other contemporaneous titanosaurs [51] Perijasaurus: 2022 La Quinta Formation (Early Jurassic to Middle Jurassic, Toarcian to Aalenian) Colombia
Dinosaur: 2000: United States: Dinosaurs Alive! 2007: United States: Documentary: Dinosaurs: The Final Day with David Attenborough: 2022: United Kingdom: Documentary [22] Dinosaur from the Deep: 1994: France [citation needed] Dinosaurs: Giants of Patagonia: 2007: United States: Documentary: Dinosaur Hotel: 2021: United States [citation needed ...
Contests have also been run on various other Wikimedia projects, generally eliciting excitement and support; the Wikinews writing contest in March/April and the second German writing contest (part of the International writing contest) both attracted over 10 unusual prizes from the community to hand out to the lucky/skillful winners.