It would take hours to freeze once in the vacuum of space (heat is lost fastest though conduction, there is no atmosphere in space to conduct). Also you wont explode, instead you would just bloat up and bleed out.

Clean any dust off your screen before Black hole hunting, else spend hours trying to select dust on the galaxy map

I do my best to not miss-name my stellar objects, but I have found a lot of Neutroid stars, Dark holes, White midgets and astron Belts.