Astronomy. What is an exoplanet

About 3 to 5 pages
– Decent, formal, scientific English. (no slang or unformal expressions).
– Typewritten.
– Figures can be drawn by hand.
– At least one figure and no more than three figures.
– Figures must have a caption.
– At least two references NOT WEBSITES! A reference can be a book (our textbook is acceptable) or an article; online-article or books are acceptable, but they must be quoted as articles/books (Author, title, etc. ; any format is fine), not though an online link!
– Websites link can be used for figures. Be careful to copyright issues.
– After the title, a 3 to 5 sentences abstract is required.
– The main text can be divided in sections; each section will then need a title.