银河系形状示意图
![行星系](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E836B22C047CA5CBABC28B0101DBF1B53A80EC46E4A92A0454B0AC71A86503BF6C11A39B94E273BB51316A7CC5296B4E1A808A5F08520DE9500B444E286EA0942E7471030D923439DF8CDF82D2D177DCF40)
行星系
图片尺寸621x455![两条旋臂的银河系想象图](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E949749A666B46EBFC94B06FDC1228E390873B9020C2C5846EED09D57E68A8E57198B3E7AAB4EE54229624F29A71EA881B883E4302F822D376FF20418C62F381212C4C2BF30A206E6474C7C8A7E548AF76)
两条旋臂的银河系想象图
图片尺寸619x471![银河系的背景简笔画](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9A2AD0F5911EF464301CC51ED0553EB78955F8026EF0FD17BA3621C54E78424AA3F0194DAB0D4BB0687487B9C75BC964CDD8B110303AB4FECB73BB83F46DDD3AFE369620477769BF0494B08FF304BFF15)
银河系的背景简笔画
图片尺寸500x455![整个银河系包括了1000-4000亿颗恒星,太阳系则位于猎户座悬臂的边缘](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83D8316C50A98FF28666EA1133B7D078FB557249665AA4D5C6A85D2F3277202E096E68189161900C9C234B594D203247BE3B9208B35B6A1D9643772FB0427EF5D459F84825A895D6BE136AE0FBC7C98AE5)
整个银河系包括了1000-4000亿颗恒星,太阳系则位于猎户座悬臂的边缘
图片尺寸640x540![颠覆你的认知太阳系在银河系中真实运动轨迹图](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73B7069F907AA3D77B5ED6E7AC462350B28FB5773F739821D4550BB20F879F8B4CE27D8B2C618B8280BDDEE058526433C5CC4B01CF78F224389783E76EEE9CE121673CF7976949344AC6AA4144A2DF5E9A)
颠覆你的认知太阳系在银河系中真实运动轨迹图
图片尺寸1080x810![银河系中心区域会有生命星球存在吗答案或许颠覆了传统认知](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E934C1D90FB18DB7DEA446D4B9D40E94D868AA296DBED70984B9E4CFFE92AFA07E813F603F0D166D8A7E5A21152DD957C6BC56231E9AB28DC05F05B2FFB9ABA26E04496ED24C99A46B79A00BAEBB5DAC6B)
银河系中心区域会有生命星球存在吗答案或许颠覆了传统认知
图片尺寸650x488![精品青岛版小学科学五下18课探索宇宙.ppt](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A736E71569634A3769F6F28E364F06FDBFC7FE2FBC354346F209574050E16B6F6E862C6F47A3937118D78550C1B18F766CF578D86331B04BD15F757E0280E8359CC497D21524FF53B613AE52DA9B88AFC0C)
精品青岛版小学科学五下18课探索宇宙.ppt
图片尺寸1152x864![银河系的结构是怎样的?](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E906BF941982E789457130F2D29D80E650B66D7B48F53D05B76998EBED7851E282B5B619A2A6B0F18757267C2C2AD2D67DE57B92B75EC56D99A3B70E0FBDD8957849DAF74F19F4A09B7F5198BD46784F36)
银河系的结构是怎样的?
图片尺寸1340x926![我们不能像了解其他星系那样清楚地了解银河系的形状和特征,这主要是](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9A5D58B2D733D88FDA8013DAB525BE0A6FBD4C08226BA24FB9961176D7BC7C09417E92BDFAA8A167592CD59AFF44D1B55AB96AD4F1E1AAE225E8F9545ACD70422B9984A56CAD182460C180C68CCFAB338)
我们不能像了解其他星系那样清楚地了解银河系的形状和特征,这主要是
图片尺寸640x699![银河系是圆盘状的,从垂直于银道面方向,是否更容易飞出银河系?](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E98810157866A5857159E30D4CF231EA5E654A56CCC9501658F3E321E236ACA5C47234D7ED439F834EF45F8304D4F17D3A7CD7C00FC050A14F40BAEC20CC8AB074C8A18D2C68157EC57FCD2FAAB555D7D3)
银河系是圆盘状的,从垂直于银道面方向,是否更容易飞出银河系?
图片尺寸1090x747![你是否真的了解银河系.](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E915BC4D3EA4C6EADA9D5188C8291EF482B59C588A05B59B15CF0D924ACB8FC0DD2818E0527BAF74F38D3D50F3F2DBA15C9D7BC138B0EC425A3FF9E99EF6E10F5BB09FBAE0D84043B173F2687A38025990)
你是否真的了解银河系.
图片尺寸800x492![银河系结构的示意图.左图为顶视图,右图为侧视图](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83FF0ED98BFB0FE8954A027CFD7387F83FD886ED486164A4FCA25D65F8E547A30AAC9114C53C44A6BC756E8827B75CA8A96F3A231F4F4E387B0D9559E589FF7212E5A7479C8D46E75FA2EF5F5387739219)
银河系结构的示意图.左图为顶视图,右图为侧视图
图片尺寸599x363![银河系中心到底是一个什么样子?](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E93558A9E1DE81C7B182B53FAB8AC2EE0AF4FDD8D2887AFBE33293B43C58D134EFDCA3CE91426FF07743E3A7BB77D7FADE033EE944590A0A3B9FA5431B8D017402A572435C5B325EF8FFD4F172A8523171)
银河系中心到底是一个什么样子?
图片尺寸400x528![生命三问下银河系里到底有没有外星人](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73BAB896C71DECF90846B4CC4708382D9EAEF9A56916458403A18D21249CBA6750C92B54FC8F8EAEE1186F2562F3A4D055235611102CBB0BFE1EA380072EB0BC88210C82767CF6F7EFD3B97A5BD705E7FA)
生命三问下银河系里到底有没有外星人
图片尺寸1080x662![星球](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E832E63BB46B8CC956A1C5BA6738747550B1301711F51332F5AD31E2E9CD737D5FDBA64B32E825960E595CB4C840E68D9CDD11E6C7AD0048AD584108EF928BCA08E8F38ACB73F085F43F7E6AE223DDB6042)
星球
图片尺寸500x353![不慌世界人口78亿科学家确定银河系宜居星球多达6亿颗](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E837BFA2131C7BB6ACC86FD0BA8F5DAF4584A8986340330D0129D88EF6CA2226E42ACF5C150DD9BC624EB1FE11A747ABFC842300E23F63AFB084DE1C7F4DFCB560520B6FE06B0ACE7D7F035D36FBEE5AADA)
不慌世界人口78亿科学家确定银河系宜居星球多达6亿颗
图片尺寸474x458![最新的银河系旋臂结构,图片来源:科学美国人,马克·里德 & 郑兴武](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73C87B4BB7A58F5CEE4A2E3CA10B5388AAE7C97CF65BD931092BCAF5894DABE3FFB2A6CB15BA7274CEE22FF54E0081D8975DFE8634D6AF13551EB573991FB2C3C10CFFD2B5A416A96C18F2F394C40E8FAE)
最新的银河系旋臂结构,图片来源:科学美国人,马克·里德 & 郑兴武
图片尺寸608x605![银河系的形状是扁平的,我们所处的"宇宙"是不是也是扁平的呢?](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E833F8D528D0840116DBAE6147DF65F60C83AC8CECFFCD92DEB9EE5D167940FC866EEF88398C732FFCD37482CB6E3FEC0FFB0FF07E7E0A11501ED8293192C05812F7A7BD3A84810D2F8179F83987FC1C0A7)
银河系的形状是扁平的,我们所处的"宇宙"是不是也是扁平的呢?
图片尺寸641x436![银河系及邻近空间示意图](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E91B3F27E4E5701BC6D23915C57DA0B9FD87E8F5405E1E69EBD26E677870DD9BBAE174B2B8734201A0EA60BF89AD38604115513625A9016C24CD45CA8F194FECCEA5C632E5F4533AEB43CF04A0C45F5CE9)
银河系及邻近空间示意图
图片尺寸2000x1207![太阳系位于银河系的哪里?](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9BBACF58C451627098925AD261374EB1544D51F1B302021894281B9883763DF48F22B099C25FA428C89F96E573B8ED43DFB7BED2FD6D97E92D9BDD96EAC24C138C960FD6179F424FC3871DD801BBD3BE5)
太阳系位于银河系的哪里?
图片尺寸640x435