"It's been a true pleasure to be your professor during the years of your studies at Hogwarts. I am sure that each of you will do a fantastic job on your exams. Good luck."
So saying, she passed out the exams and let them get to work.
Choose one of the following topics to write about:
* Astrophysics: the study of physics of the universe, including the physical properties (luminosity, density, temperature, chemical composition) of astronomical objects.
* Cosmology: the study of the origin of the universe and its evolution. The study of cosmology is theoretical astrophysics at its largest scale.
* Galaxy formation and evolution: the study of the formation of the galaxies, and their evolution.
* Galactic astronomy: the study of the structure and components of our galaxy and of other galaxies.
* Extragalactic astronomy: the study of objects (mainly galaxies) outside our galaxy.
* Stellar astronomy: the study of the stars.
* Stellar evolution: the study of the evolution of stars from their formation to their end as a stellar remnant.
* Star formation: the study of the condition and processes that led to the formation of stars in the interior of gas clouds, and the process of formation itself.
* Planetary Sciences: the study of the planets of the Solar System.
((OOC: Give a brief overview of the topic you choose. Wikipedia is a very helpful source or you may google the topic to see what you come up with. This will be used as the bone structure for a textbook for Astronomy, so work for accuracy and the like.))



