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The "ago" is implied, so that any such year number "X Ma" between 66 and 145 is "Cretaceous", for good reason. But the counter argument is that having myr for a duration and Mya for an age mixes unit systems, and tempts capitalization errors: "million" need not be capitalized, but "mega" must be; "ma" would technically imply a milliyear (a ...
It largely functions as the planning arm for the BYU College of Humanities language acquisition classes. In total it coordinates classes aimed at learning 58 different languages, 12 of which have at least a minor if not a major program. The Center for Language Studies also operates the Foreign Language Student Residences. [4]
Earth formed in this manner about 4.54 billion years ago (with an uncertainty of 1%) [25] [26] [4] and was largely completed within 10–20 million years. [27] In June 2023, scientists reported evidence that the planet Earth may have formed in just three million years, much faster than the 10−100 million years thought earlier.
The Miocene (/ ˈ m aɪ. ə s iː n,-oʊ-/ MY-ə-seen, -oh-) [6] [7] is the first geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words μείων (meíōn, "less") and καινός (kainós, "new") [8] [9] and means "less recent" because it has 18% fewer modern marine invertebrates ...
Late Devonian: 375 million years ago, 75% of species lost, including most trilobites; End Permian, The Great Dying: 251 million years ago, 96% of species lost, including tabulate corals, and most trees and synapsids; End Triassic: 200 million years ago, 80% of species lost, including all conodonts
The BYU Broadcasting Technical Operations Center is an HD production and distribution facility that is home to local independent station KBYU-TV, local classical music station KBYU-FM Classical 89, BYU Radio, BYU Radio Instrumental, BYU Radio International, BYUtv and BYU Television International with content in Spanish and Portuguese (both ...
The Museum of Paleontology was built in 1976 to display the many fossils found by BYU's Dr. James A. Jensen. It holds many artifacts from the Jurassic Period (210-140 million years ago), and is one of the top five collections in the world of fossils from that time period. It has been featured in magazines, newspapers, and on television ...
Map of Pangea around 250 million years ago, at the beginning of the Triassic. Pangaea or Pangea (/ p æ n ˈ dʒ iː ə / pan-JEE-ə) [1] was a supercontinent that existed during the late Paleozoic and early Mesozoic eras. [2]