Caves seen on the surface of a comet for the first time

We have noticed caves on a comet for the first time. The caves, recognized on comet 67P/Churyumov-Gerasimenko – often known as comet 67P – are full of ice, which might assist clarify mysterious jets that astronomers have seen coming from the comet.

While we all know roughly what comets are made of – generally rock, ice and frozen gases – we don’t know a lot about their inner construction. Caves might provide an quick access level for scientists to find out about this inside, however in contrast to many planets and our bodies in…