Astronomy Cource

8/13/2019 Astronomy Cource

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Orbital Velocity and Escape Velocity, Newton's laws of motion, Newton's law of gravitation,gravitational acceleration of planets; Escape velocity of planets; orbital velocity of planets; Proof ofeliptical orbits, Doppler effect.

4.3 Kepler's Laws and Orbits

Elliptical Motion, Eccentricity, Perihelion, Aphelion, Foci, Velocity at Perihelion, Velocity at Aphelion,Velocity at any point, Orbit parameters (a, b), calculating orbit of a comet.

5. Advanced Physics

Electromagnetic Radiation; Electromagnetic Spectrum; Wave length; Frequency; Speed of light,Visible spectrum; Invisible spectrum; Absorption/emission spectrum.. Foundations of relativity.

6. Observational Techniques

A. Astronomical Measurements: Astronomical Unit; Light Year; Parsec; Parallax., Distance to Starsfrom the parallax and other methods.

B. Magnitude scales : Apparent Magnitude; Absolute Magnitude; Bolometric Magnitude Distance ofstar from magnitude.

C. Optics : Magnification., lenses and Mirrors; Baclow lens; Eyepieces, Binoculars; Telescopes:Refracting; Reflecting; Casegrian.

D. Time in Astronomy : Types of Year; Tropical Sidereal; Andmalistic; Types of Lunar month;Sidereal; Synodic; Drocenic; Nedical; Sidereal Time; GST; LST; Mean time; Time Zones; IST; LT;Universal Time; Ephemeries Time; Julian date; Calendars; Julian; Gregorian.

E. Calculation : Calculations of travel time of planets; Julian day number calculations; CalculationGST and LST.

F. Celestial Coordinate Systems and Celestial Circles : Equator; Ecliptic; Meridian; Six O clock circle;Celestial Points : Equinoxes and Solstices; Poles (Ecliptic and Equatorial); Precession of Earth's Axis; Celestial Coordinates; Alt/Azimuth; RA/Declination; Longitude/Latitude; Conversion ofCoordinates.

7. Astronomy from Indian Almanac

27 Constellations and 12 signs of zodiac

Niryaan and Sayan positions of planets.

Elongation and visibility of planets

Tithi and Nakashtra (meaning), use of Tithi

Sampatik Kaal (meaning)

Calculations : Elongation of planets and their visibility Elongation chart.

8. Laboratory Astronomy

Observations of elemental spectra and their correlation to Astronomy, absorption and emissionfeatures, Dopler Shift, Hubble's Law and expanding universe, Black body ration and temperatures,



types variabilities (binary, pulsations etc.) HR diagram.

Size and Distance Scales

Scales on powers of 10, structure differences on size scale, boundaries of dimensions, determinationof distance and standard candies.

10. Solar System

Astronomical bodies : Sun, planets and satellites. Gravitational fields Origin of solar system.

Shadows and crescents eclipses; Solar Eclipses : Partial, Total, Annular; Lunar Eclipse : Partial,Total, Annular; Eclipse Year; Nodes; Saros and Metonic Cycle.

11. Minor Bodies in the Solar System

Meteorites, Asteroids, Comets, and their orbits, composition and sizes and masses, Oort's Cloud andKuiper Belt, inflow rate.

12. Clustering in Space

Size scale of the Universe, planets around stars, stellar clusters, Galaxies, Galactic structures.

13. Exotic Objects in the Universe

Evolution of stars, brown dwarfs, white dwarfs, neutron stars, black holes, pulsars, quasars and X-raysources.

14. Quiet Universe

Emission in stars, equilibrium conditions in astrophysical objects and structures, dynamic equilibriaand importance of rotation and magnetic fields.

15. Violent Universe

Flares on the sun and stars, accretion instabilities, supernovae type I and II, and Active GalacticNuclei, Galaxy mergers and the Big Bang.

16. Universe at Different Wavelength High & Low Energies

Radio universe, synchrotron emission and jets in stars and galaxies, winds and protostellar andprotogalactic matter, protostellar clouds, Infrared Universe and star forming region-atmospheres andhalos of stars, Optical Universe and stars and their interactions, velocity distributions and large scalestructures. Ultraviolet astronomy-clouds and absorption High energy phenomena in stars productionof X rays and Gamma rays, Atmosphere of stars, magnetospheres of pulsars, inner structures ofquasars.

17. Invisible Universe

Dark matter in the universe, Halos of Galaxies, neutrinos.

18. Einstein's Universe

The Big bang and cosmology, expanding universe and evidences for Big Bang, Gravitational redshiftand time dilation.



19. Outstanding Problems in Astronomy

Unresolved problems in Astronomy and Astrophysics.

Projects and Experiments

Plot of Comets path.

Plot of and Sun throughout the year

T2 and R3 plot: Keplers 3rd law proof.

Sundial construction : Equatorial and Horizontal.

Plotting, retrograde motion on sky chart.

Model of comet's path.

Path of comet on sky chart.

Plotting constellations.

North-South line from shadow of a stick, determination of latitude and longitude from shadow.

Plotting Sunset/moon rise.

Sun-Spot observation.

Extra Mural Advance

DVANCE COURSE IN ASTRONOMY

Language : English

Duration : 6 Months

Time : 2pm to 5pm

Fees : 6000/-

Venue : Nehru Planetarium, Worli.

Atoms to AstronomyCore Concepts in Astrophysics

Astronomical Calculations : Coordinate Conversions Julian Day Number, GST, GMT, LMTEccentricity & inclination of Earth's Orbit

Introduction to Relativity : Frames of Reference, Time Dilation Velocity of Light, Redshift, Perihelionof Mercury, Bending of Light,Space - Time Diagram, Gravitation



Black Holes

Cosmology

Sun & Stars : Solar Structure & Atmosphere Solar Cycle, Energy generation,Solar magnetism,Dynamic Sun Structure Moon -

Stars & Galaxies

* Instrumentation in Astronomy - Dr. J.B. Mistry(5.00 p.m. to 7.00 p.m. - 2 Sessions)

* 8 Observation Sessions : 7.00 to 9.00 or 10.00 p.m.- Mr. Anand Ghaisas

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Astronomy Cource