First, it is dark, meaning that it is not in the form of stars and planets that we see. Observations show that there is far too little visible matter in the Universe to make up the 27% required by the observations. Second, it is not in the form of dark clouds of normal matter, matter made up of particles called baryons.
Livestock[edit] The raising of livestock, sheep (the traditional mainstay for generations of Icelandic farmers) and cattle (the latter grew rapidly in the 20th century), is the main occupation, but pigs and poultry are also reared; Iceland is self-sufficient in the production of meat, dairy products and eggs.
When in Iceland for a vacation or a business trip, you should try out some of these national specialties. Here is a list of delectable traditional Icelandic food worth trying out. HangikjÃ¶t â Smoked lamb. HangikjÃ¶t, smoked Icelandic lambs, is one of the best traditional foods in Iceland. HangikjÃ¶t is well known to be good due to the way these sheep are farmed. The sheep are allowed to roam freely without any supervision around the untouched wilderness in the country.