It is probably the most rapidly evolving field of science today, and this is due to the advancements of technology, such as satellites, space probes and telescopes. We will discuss about the night sky and the constellations, the complex moves of the Earth and the beautiful aurora. In general there are three theoretical main fields of interest here: 1.Our solar system, 2.Stars and Galaxies, 3.Cosmology, and one observational: Observational Astronomy. Feel free to post questions of any kind, as well as specific homework questions which require a mathematical calculation: i.e calculation of distances, temperatures, magnitudes, or even more advanced (theoretical cosmology) questions i.e models of inflation.
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