.TRS_EditorTABLE{font-family:宋体;font-size:14px;}.TRS_Editor{font-family:宋体;font-size:14px;}.TRS_EditorP{font-family:宋体;font-size:14px;margin-top:1em;margin-bottom:1em;line-height:1.4;}.TRS_EditorH1,.TRS_EditorH2,.TRS_EditorH3,.TRS_EditorH4,.TRS_EditorH5,.TRS_EditorH6,.TRS_EditorHR,.TRS_EditorBLOCKQUOTE,.TRS_EditorDL,.TRS_EditorDD,.TRS_EditorDT,.TRS_EditorOL,.TRS_EditorUL,.TRS_EditorLI,.TRS_EditorPRE,.TRS_EditorCODE,.TRS_EditorTEXTAREA,.TRS_EditorSELECT,.TRS_EditorCITE,.TRS_EditorPRE,.TRS_EditorCENTER,.TRS_EditorTABLE,.TRS_EditorDIV{margin-top:1em;margin-bottom:1em;line-height:1.4;}.TRS_EditorFORM,.TRS_EditorFIELDSET,.TRS_EditorLEGEND,.TRS_EditorSELECT,.TRS_EditorTR,.TRS_EditorTD,.TRS_EditorTH{margin-top:1em;margin-bottom:1em;line-height:1.4;}.TRS_EditorBUTTON,.TRS_EditorOPTION,.TRS_EditorADDRESS,.TRS_EditorDFN,.TRS_EditorEM,.TRS_EditorVAR,.TRS_EditorKBD,.TRS_EditorINPUT,.TRS_EditorSMALL,.TRS_EditorSAMP,.TRS_EditorSUB,.TRS_EditorSUP,.TRS_EditorSPAN,.TRS_EditorA,.TRS_EditorB,.TRS_EditorI,.TRS_EditorU,.TRS_EditorS,.TRS_EditorSTRONG,.TRS_EditorLABEL,.TRS_EditorIMG,.TRS_EditorBR,.TRS_EditorFONT{margin-top:0;margin-bottom:0;text-indent:0;} 天津网讯城市快报记者张珊珊从天文部门获悉，7月30日，天空将上演“水星东大距”天象，届时水星作为“昏星”出现在日落后的天空中。这次“水星东大距”与太阳分开的角距离约为27°，已经非常接近理论上的较大值28°。但由于此时水星的赤纬低于太阳，因此在北半球、高纬度地区，它的观测条件不是特别理想。如果天空透明度好，即可观测到此次“水星东大距”天象，该天象也是7月天宇“好戏”中的“收官”之作。
健康资讯 2025-08-15 02:21 阅读量：3144
