Apart from discovering the unknown and adding to the body of knowledge facts about an object that we currently know nothing about, "comets are thought to have d

Apart from discovering the unknown and adding to the body of knowledge facts about an object that we currently know nothing about, "comets are thought to have delivered a vast quantity of water to Earth, and they may have also seeded Earth with organic molecules" [1] which means that they might hold important clues to how life started here on Earth. Realistically this could have potential future benefits to things we can't even phantom about today - perhaps such discoveries about the origins of life could lead to fundamental innovations in human health. 1. http://en.wikipedia.org/wiki/Rosetta_(spacecraft)#Search_for_organic_compounds http://en.wikipedia.org/wiki/Rosetta_(spacecraft)#Search_for...