OAS351 Syllabus - Space Science - 2021 Regulation - Open Elective | Anna University

OAS351 Syllabus - Space Science - 2021 Regulation - Open Elective | Anna University

OAS351

SPACE SCIENCE

 L T P C

3003

COURSE OBJECTIVES:
• To outline the space environment and their effects.
• To extend the origin of universe and development.
• To classify the galaxies and their evolution.
• To interpret the variable stars in the galaxies.
• To explain theory of formation of our solar system.

UNIT I

INTRODUCTION

9

Introduction to space science and applications – historical development – Space Environment- Vacuum and its Effects, Plasma & Radiation Environments and their Effects, Debris Environment and its Effects - Newton's Law of gravitation – Fundamental Physical Principles.

UNIT II

ORIGIN OF UNIVERSE

9

Early history of the universe – Big-Bang and Hubble expansion model of the universe – cosmic microwave background radiation – dark matter and dark energy.


UNIT III

GALAXIES

7

Galaxies, their evolution and origin – active galaxies and quasars – Galactic rotation – Stellar populations – galactic magnetic field and cosmic rays.

UNIT IV

STARS

10

Stellar spectra and structure – stellar evolution – Nucleo-synthesis and formation of elements – Classification of stars – Harvard classification system – Hertsprung-Russel diagram – Luminosity of star – variable stars – composite stars (white dwarfs, Neutron stars, black hole, star clusters, supernova and binary stars) – Chandrasekhar limit.

UNIT V

SOLAR SYSTEM

10

Nebular theory of formation of our Solar System – Solar wind and nuclear reaction as the source of energy – Sun and Planets: Brief description about shape size – period of rotation about axis and period of revolution – distance of planets from sun – Bode's law – Kepler's Laws of planetary motion – Newton's deductions from Kepler's Laws – correction of Kepler's third law – determination of mass of earth – determination of mass of planets with respect to earth – Brief description of Asteroids – Satellites and Comets.

TOTAL: 45 PERIODS

COURSE OUTCOMES: On successful completion of this course, the student will be able to
CO1: Obtain a broad, basic knowledge of the space sciences.
CO2: Explain the scientific concepts such as evolution by means of natural selection, age of the Earth and solar system and the Big-Bang.
CO3: Describe the main features and formation theories of the various types of observed galaxies, in particular the Milky Way.
CO4: Explain stellar evolution, including red giants, supernovas, neutron stars, pulsars, white dwarfs and black holes, using evidence and presently accepted theories;
CO5: Describe the presently accepted formation theories of the solar system based upon observational and physical constraints;

TEXT BOOKS:
1. Hess W., “Introduction to Space Science”, Gordon & Breach Science Pub; Revised Ed., 1968.
2. Krishnaswami K. S., “Astrophysics: A modern Perspective”, New Age International, 2006.

REFERENCES:
1. Arnab Rai Choudhuri, “Astrophysics for Physicists”, Cambridge University Press, New York, 2010.
2. Krishnaswami K. S., “Understanding cosmic Panorama”, New Age International, 2008.

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