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Class Notes for Earth, Planetary, and Space Sciences at University of California - Los Angeles

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EPS SCI 3 Lecture Notes - Lecture 4: Radioactive Decay, Dark Matter, Dark Energy

Dark matter: too much gravity for observed mass o Lens effect, light being bent too much, dont know whats there Dark energy: universe expanding too fast, energy causing acceleration Antimatter: has been observed destroying...

Earth, Planetary, and Space Sciences
EPS SCI 3
Jean-Luc Margot
EPS SCI 3 Lecture Notes - Lecture 1: Neutron Star, Big Bang, Antiparticle

The Universal Context of Life Origins of a habitable universe Matter, forces, energy, light Big bang Formation of elements - nucleosynthesis Ordinary matter, dark matter, dark energy Lecture 1 Could be many other universes...

Earth, Planetary, and Space Sciences
EPS SCI 3
Jean-Luc Margot
EPS SCI 17 Lecture Notes - Lecture 14: Stokesosaurus, Dinosaur Renaissance, Deinonychus
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Lec 14: The Cretaceous Carnivores the Evolutionary Ratchet May 22 BIG QUESTION: How did the evolutionary ratchet shape Cretaceous theropods? niche partitioning: over time, different species partition the environment eco...

Earth, Planetary, and Space Sciences
EPS SCI 17
Dr. David Gold
EPS SCI 17 Lecture Notes - Lecture 15: Squamata, Crurotarsi, Synapomorphy
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Lec 15: Seas and Skies May 24 WHAT ARE PTEROSAURS? pterosaurs are part of the avemetatarsalia (which also includes dinosaurs) the other branch originating from archosaurs is crurotarsi (crocodilelike) pterosaurs = cousins ...

Earth, Planetary, and Space Sciences
EPS SCI 17
Dr. David Gold
EPS SCI 17 Lecture Notes - Lecture 12: Adaptationism, Sauropoda, Brontosaurus
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Lec 12: The Jurassic The Rise of Giants May 15 SAUROPODS (the giant dinosaurs, large herbivores of the Jurassic) includes a number of dinosaurs that are pretty wellknown Brontosaurus excelsus (1879) 70 feet long, 15 tons...

Earth, Planetary, and Space Sciences
EPS SCI 17
Dr. David Gold
EPS SCI 17 Lecture Notes - Lecture 10: Coelophysis, Ornithischia, Dimetrodon
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Lec 10: The Triassic Convergence, Adaptation, and Contingency May 8 WHY DID WE LOSE THE INITIAL BATTLE? dinosaurs were not particularly dominant during the Triassic (though referred to as the age of dinosaurs) not the onl...

Earth, Planetary, and Space Sciences
EPS SCI 17
Dr. David Gold
EPS SCI 17 Lecture Notes - Lecture 13: Ornithopod, Stygimoloch, Herbaceous Plant
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Lec 13: The Cretaceous The Problem of Diversity May 17 BIG QUESTION: Many different species lived side by side, and appear to fill similar ecological niches. How was this possible? CLIMATE IS CHANGING Triassic Paleogeogra...

Earth, Planetary, and Space Sciences
EPS SCI 17
Dr. David Gold
EPS SCI 17 Lecture Notes - Lecture 9: Amniote, Edward Drinker Cope, Bone Wars
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Lec 9: The Triassic - Extinction & Recovery May 1 (shorter lecture, because of Q&A Review Session for Midterm) TETRAPODS tree starts with tetrapods (four-footed) amphibians amniotes = in...

Earth, Planetary, and Space Sciences
EPS SCI 17
Dr. David Gold
EPS SCI 15 Lecture Notes - Lecture 1: Triceratops, Tyrannosaurus, Binomial Nomenclature
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Lecture 1: Dinosaur Field Guide April 3 SYLLABUS Grading: Midterm 25 Week 5 on THURSDAY 53 Lab Assignments 20 Lab Exam 15 Participation 10 Final Exam 30 Office Hours: Tuesdays @ 12:30 1:30 pm OUTLINE Dinosaur Field G...

Earth, Planetary, and Space Sciences
EPS SCI 15
David Gold
EPS SCI 15 Lecture Notes - Lecture 2: Oviraptor, Protoceratops, Gobi Desert
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Lec 2: Science April 5 CASE STUDY: WHY SHOULD I TRUST YOUR FACTS? Research in the Gobi Desert (in Mongolia) in the 1920s led to discovery of the Protoceratops zone a region with lots of early ceratopsians oviraptor = ther...

Earth, Planetary, and Space Sciences
EPS SCI 15
David Gold
EPS SCI 15 Lecture Notes - Lecture 3: Baraboo Range, Mudcrack, Stegosaurus
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Lec 3: Geology April 10 TIME SCALE T. rex and Stegosaurus did not exist during the same time period, but rather existed 84 million years apart from one another Stegosaurus (150 million years ago) Jurassic Tyrannosaurus (66...

Earth, Planetary, and Space Sciences
EPS SCI 15
David Gold
EPS SCI 15 Lecture Notes - Lecture 6: Phalanx Bone, Synapomorphy, Metatarsal Bones
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Lec 6: Anatomy and Cladistics April 19 INTRODUCTION TO ANATOMY How should we organize life on Earth? How are dinosaurs related to each other? taxon (pl. taxa): a grouping of organisms (ex. species, genus, order, etc.) we c...

Earth, Planetary, and Space Sciences
EPS SCI 15
David Gold
EPS SCI 15 Lecture Notes - Lecture 4: Second Voyage Of Hms Beagle, Philosophie Zoologique, Banteng
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Lec 4: Evolution April 12 WHY EVOLUTION? we have so many different species of animals on Earth pie chart of us, cows, reptiles, fish, birds were such a small part of the world there are tens of thousands of species of inse...

Earth, Planetary, and Space Sciences
EPS SCI 15
David Gold
EPS SCI 15 Lecture Notes - Lecture 5: Crystal Palace Dinosaurs, Richard Owen, Shen Kuo
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Lec 5: Paleontology as Science April 17 HISTORY PALEONTOLOGY paleontology: the study of prehistoric life paleontology is a historical science (uncover a historical story) aims to describe the past, by looking for patterns ...

Earth, Planetary, and Space Sciences
EPS SCI 15
David Gold
EPS SCI 15 Lecture Notes - Lecture 7: Cambrian Explosion, Polychaete, Cambrian
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Lec 7: Animal Origins April 24 INTRODUCTION trilobite: an extinct, aquatic animal (521252 million years ago) has 17,000 known species serves as an index fossil different species are preserved in different rocks at differe...

Earth, Planetary, and Space Sciences
EPS SCI 15
David Gold

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