Quiz: What do you know about the Churyumov-Gerasimenko comet?

On September 20, 1969, Ukrainian astronomers Klym Churyumov and Svitlana Gerasimenko discovered a comet named after them. It became known to the whole world at the beginning of the 21st century, when a probe was sent into space to study it. And what do you know about this heavenly body?