Sometimes in life, you have to challenge yourself to see if you can do what sounds crazy to many other people, especially when they insist that you can't do it. Steganography is the art of hiding the fact that communication is taking place by hiding information in other information. In image steganography, the information is hidden exclusively in an image which is called the cover image. When I started reading about data hiding and read the restrictions and features that should be contained in the cover images, and as astronomy department student, I noticed that they mostly contained in...