the Rosetta Mission began in 2004. Only 10 years after the start the machine has fulfilled the main task for the first time entered the orbit of the comet and dropped to its surface research module Philae. Many of his findings have already been forced to rewrite the textbooks. In particular, refuted the theory that water on the Ground doing the comet.
Now astronomers are waiting for new discoveries. Comets existed in those days, when there were no planets, including Earth, in the Solar system did not exist. Therefore, studying the comet, scientists like transferred to billions of years ago and get a chance to unravel the deepest mysteries of the origin of the Universe.