Star Formation Epidemics in Galaxies Asa J. Stewart 3rd Year Physics and Astronomy project report in the school of physics‚ Cardi University Date of submission: 16th May 2011 Supervisor: Prof. Anthony Whitworth Contents 0.1 Aims and objectives . . . . . . . . . . . . . . . . . . . . . . . 0.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.2.1 Observed properties of disk galaxies . . . . . . . . . . 0.2.2 Star formation . . . . . . . . . . . . . . . . . . . . . . 0
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was the doorway between the mortal world and the eternity. The Draco Dwarf Galaxy is a spheroidal galaxy in Draco. It has a visual magnitude of 10.9 and is 260‚000 light years distant. It belongs to the Local Group and is a satellite galaxy of the Milky Way‚ one of the faintest ones. The galaxy was discovered by the American astronomer Albert George Wilson in 1954. It contains five carbon stars‚ four suspected asymptotic giant branch (AGB) stars‚ a number of red giant branch (RGB) stars‚ and more than
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First Encounter For months you have wanted to take a break from work and everyday life‚ and recently some friends invited you to vacation with them at their mountain cabin. At first you hesitate. This is not the kind of trip you had in mind. After reconsidering‚ you realize that a remote getaway with friends is just the change of pace you need. Now‚ three weeks later‚ you have been traveling all day and have just arrived at the cabin. It is late afternoon‚ and the air is so cold you can see your
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The Study of Celestial Objects When we were born‚ we did not know how vast the world really is‚ we were convinced that this Earth was the center‚ the only place in this world. However‚ growing up we come to accept that Earth is just a piece of the infinite universe‚ and one might even say Earth is not even an atom compared to the cosmos. It took humans thousands of years to discover the reaches of the Earth‚ we finally were able to capture the whole planet and create a map of Earth. Yet the universe
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Practice Test E – Reading Question 1- 7 Hotels were among the earliest facilities that bound the United States together. They were both creatures and creators of communities‚ as well symptoms of the frenetic quest for community. Even in the first part of the nineteenth century‚ Americans were already forming the habit of gathering from all corners of the nation for both public and private‚ business and pleasure‚ purposes. Conventions were the new occasions‚ and hotels were distinctively American
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A Potentially Habitable Planet? A team of astronomers led by Steven Vogt of the University of California‚ and Paul Butler of the Carnegie Institution of Washington have found a rocky earth-sized planet that might be habitable (Haghighipour‚ Nader 2010). The new exoplanet called Gliese 581g orbits the red dwarf star Gliese 581 in the constellation Libra and it is the sixth planet that the astronomers have found around its star. Gliese 581g is about 20 light years away‚ which is roughly 117.5 trillion
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The stages of transportation systems research are suggested below. Stage 1.Identification of objectives and functioning of the subject of research‚ defining the criterion of system’s efficiency. Stage 2.Defining the borders of the system. Stage 3.Identification of the structure of environment. Stage 4.Research of the structure of transportation system; identification of its elements. Stage 5.Investigation of the characteristic interrelations between the elements of the system; design of the mathematic
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Irony thrusts its way into Aron Ralston’s powerful memoir‚ Between a Rock and a Hard Place. The idiomatic expression‚ “stuck between a rock and a hard place” is often utilized by those faced with two unpleasant choices. The title of his book is where irony first takes stage. If not for the rock‚ Ralston’s right arm would still be in place and his appreciation for life would remain unchanged. Surprisingly‚ Ralston has no bitter resentment toward the canyon where he spent 127 hours trapped between
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About how many extrasolar planets have been detected to date? a) 1-10 b) 10-100 c) 100-500 d) 500-1000 e) >1000 What is the easiest way to find planets? a) directly imaging the planet b) seeing the planet "transit" in front of its parent star (will be more prevalent in the future; satellites right now are looking for this) c) measuring the doppler shift of a star’s spectrum lines (gravitational wobble on star) d) X-ray observations Most of the planets discovered around other stars
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Monocerotis lies at a distance of 20‚000 light years from the sun and was once 60‚000 times brighter than the sun. Monocerotis is classified as a red colored variable star whose brightness changes either regularly or irregularly. V838 Monocerotis was first discovered as a brightening star by Nicholas J. Brown in Australia while he photographed an area of the sky as a part of a nova patrol (Cowen). As Brown looked at the images he had taken of the same area in the night sky for days‚ he noticed a
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