Eight case-lets on Strategic Alliances Case 1: Telefónica and China Unicom In September 2009‚ Telefónica and China Unicom announced a partnership including cooperation in R&D‚ roaming‚ joint procurement of equipment‚ infrastructural development‚ joint development of mobile services and the provision of services to multinational clients. They also announced the purchase of US$1 billion worth of stock in each other making the Spanish operator the largest single investor in the company with 8% of
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SATELLITE COMMUNICATIONS SATELLITE COMMUNICATIONS - AN OVERVIEW INTRODUCTION The outer space has always fascinated people on the earth and communication through space evolved as an offshoot of ideas for space travel. The earliest idea of using artificial satellites for communications is found in a science fiction Brick Moon by Edward Evert Hale‚ published in 1869-70. While the early fictional accounts of satellite and space communications bear little resemblance to the technology as it exists
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ABSTRACT Several mass extinctions have occurred during the Earth ’s history. The Cretaceous Tertiary Boundary (K-T) Extinction caused the loss of at least three-quarters of all species known at that time including the dinosaurs. The cause of this mass extinction is a controversial subject among scientists but the fossil evidence of it ’s occurrence is abundant. INTRODUCTION The K-T Extinction occurred 65 million years ago. Many species perished in that extinction. Today evidence for this extinction
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Extinction of Dinosaurs Ryan Humphries Biology 6th Period Two-hundred and thirty million years ago the first dinosaur-like creature roamed the earth. Within five million years it could be considered a dinosaur. They were soon at the top of the food chain. They populated every continent. Then 65 million years ago they vanished. The most powerful creatures ever to live on earth had become extinct. Dinosaurs were not the only victims of this "mass extinction." There were many other species
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Physical Geology Essay Assignment: Mass Extinctions Topic: The Cretaceous - Tertiary extinction Submitted by Suhaidee Yusoh ID No. 15240 Petroleum Geosciences UNIVERSITI TEKNOLOGI PETRONAS The Cretaceous-Tertiary extinction 1. Introduction Fastovsky‚ D.E. and Weishampel‚ D.B.‚ 2005 defined the mass extinction “Mass extinctions involve large numbers of species and many types of species undergoing global extinction in a geologically short period of time”‚ organisms have gone extinct‚ certainly
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dinosaurs" (Bakker 432). Alvarez believed that " a huge meteor (or asteroid)‚ smashing into the earth at the end of the Cretaceous‚ would blanket an immense area of the earth with its extraterrestrial cargo of iridium because the explosion of the celestial mass would send up vast clouds‚ full of iridium-rich dust" (Bakker 432). An asteroid called Chicxulub hit the earth creating a 150 mile wide crater near the Yucatan Peninsula in Mexico. The asteroid is thought to have weighed 4 million tons. When it hit
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theory is so appealing because it explains pretty much all of the “common ground” about the K-Pg event. It explains the climate change‚ the iridium and would of been able cause mass extinction. In 1980 the collision was first theorized by geologist Walter Alvarez and his son after Walter was studying clay deposits from 65 million years ago and found levels of iridium hundreds time more than normal from sample in different parts of the world (SciShow). Other scientist started finding more evidence of an
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For over 150 million years‚ dinosaurs dominated Earth. They were incredibly successful-so successful in fact that all of the other animal groups had no choice but to play a secondary role in nature. 65 million years ago‚ however‚ every species of dinosaur went extinct as well mosasaurs‚ plesiosaurs‚ pterosaurs‚ ammonites‚ and many families of brachiopods and sea sponges. Also‚ many shark species as well as most vegetation did not survive(“Dinosaur Extinction”). What could have possibly killed off
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researcher at the University of California‚ discovered a pencil thin layer of Iridium around the rocks in Gubbio‚ Italy. (New Scientist‚ 1) Iridium is an element found in meteorites and asteroids. In 1980 it was proven that the layer if Iridium was evidence of a huge comet or meteorite that crashed into the earth sixty five million years ago. The normal amount of Iridium an area is to have is 0.001 on an average. The layer of Iridium found in Gubbio Italy was 0.003. Thirty times the average amount in
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before all of its fame and notoriety‚ SpaceX was a startup with lofty goals. In 2010‚ Iridium believed in the company’s vision‚ and contracted with them to launch its entire next-generation global satellite constellation‚ Iridium NEXT‚ becoming SpaceX’s largest commercial customer. Iridium placed its largest initiative in the hands of a startup‚ essentially entrusting the future of the company with SpaceX” (Iridium). There are many space exploration companies out there and it’s not just limited
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