|Department:||Department of Experimental Physics|
|Course director:||Károly Szatmáry|
|Prerequisities:||- - -|
|Type of assessment:||Szj|
Main steps in the history of astronomy. The connection of astronomy and other fields of science. Space research. Astronomy on the Internet. Constellations. Spherical astronomy. Celestial co-ordinate systems. Transformation between co-ordinate systems. Motion of Sun and Moon on the sky. Orbital elements of celestial bodies. Astronomical dates, sideral time, solar mean time, universal time. GPS. Refraction, aberration, parallaxis, precession, nutation. The evidences of the rotation and revolution of the Earth. Temporal changes in orbital elements, and ice ages. The origin and detection of radiation. Astronomical telescopes, devices, detectors. Photometry and spectroscopy. CCD image processing. Observatories. Space telescopes. Celestial mechanics. The orbits of satellites. Perturbation calculation. Three and N body problems. Lagrange points. Kepler laws. The origin of the solar system and its main characteristics. Planets, moons, minor planets, meteors, comets, interplanetary matter. Kuiper belt, Oort cloud. Properties of the planets. Nemesis theory. Search for extrasolar planetary systems. Origin of the Moon, tidal effect. The structure of the Sun, its energy production. Fusion reactions. Solar activity and its impact on Earth. Properties of stars, Hertzsprung-Russell diagram. Stellar evolution. Nucleosynthesis, origin of the elements. Double stars, variable stars (pulsating, eclipsing, spotted, eruptive, cataclismic stars). Pulsars. Interstellar medium. Gas-, dust- and molecule clouds. Star clusters. The structure of the Milky Way. Galaxies, galaxy clusters. Redshift of spectral lines, quasars. Hubble's law, determination of distance. Models of the Universe, cosmology. Astronomical tests of general relativity. Gravitational waves, gravitational lenses. Neutrinos. Teaching of astronomy. Demonstration, Internet.