21:27 @climberprin Good Job. Thanks very much. [in reply to climberprin] 20:44 荒川さん、メガネ姿もイイ． 19:15 縮尺が不正確．木星は水星の直径で３０倍、質量で１万倍ないとおかしい．@hiroking1975 @mappahhha 食べられる惑星。 [in reply to hiro…