Astronauts are risking their lives, fixing the Hubble telescope right now. It’s attached to the bay of the Atlantis, all big and shiny. You can see them working inside its guts here.
https://gizmodo.com/hubble-repair-mission-more-risky-than-you-would-ever-im-5046276
Everything seems to be going ok right now, although they are having some problems with one of their cameras.
