英文らしい Boomerang works in space: Japanese astronaut AFP: http://afp.google.com/article/ALeqM5i2n44DP0PaB-TdrZWh5J23O3wjsw なんか和製っぽい(笑) Boomerangs come back in space, Japanese astronaut finds - Mainichi Daily News http://mdn.mai…