Some Japanese researchers have opted to make Sweden their home base as they seek to take full advantage of the Nordic country's advanced space exploration research programs.The northern city of Kiruna is a key center for space research in Sweden. It sits north of the Arctic Circle and draws researchers from all over the world, who favor the city's geographical location as it gives them frequent opportunities to observe the aurora borealis.The Kiruna-headquartered Swedish Institute of Space Physics, or IRF, is a state-run agency at the center of the country's research and observatory program…READ FULL ARTICLE