qingniandexiaorongdouranbiandezhengning，yanshenlidekuangrejihuyaopenboerchu。tawozhedaobingdeshouwensibudong，daorenyijiuwenwenditiezhewangtaojingdongmaicuiruodepifu，lingyizhishouzeyonglipailepaineibenxieyide《xuanyuangong》fengmian，fachuchenmende“papa”sheng。
“womengejige，duizhezheibaobeizhuomolexiaobannianle！jiuchaneimeyidian！jiuchatongpochuanghuzhineiyixia！”tadeshengyinmengdibagao，daizheshenjingzhidekangfen，“dantianqihai，ningshenbanyun，zhoutianliuzhuan，shengshengbuxi……shushangshuodetianhualuanzhui，kezenmenong？zenmerangneiwanyiertinghuadizhuanqilai？ng？”
neishuangranshaozhefengkuangqiuzhiyudeyanjingsisisuodingwangtao，yiziyidun，meiyigezidouxiangbingzhuizazaixinshang：“wanglaoshi，nixingjiaa！biezangzheyezhele！jijutongkuaihua——”
xiguadaobinglengdedaomian，jiqiqingweiqueyouchongmanweixiexingdi，zaiwangtaojingcezuiboruodepifushangcengleceng。
“zenmekongzhitineidelinglini？”taliekaizui，luchusenbaideyachi，xiaorongniuquershenren，“laoshi，nikebuyaoluanjiange？luanjiangdehua……”tadeshengyindouranzhuanleng，“wokenenghuibukeqidee？”
binglengdedaorenjintiezhemingmen，neibensanfazhechenfuyuxieyiqixide《xuanyuangong》zaiyanqianhuangdong。lanfaqingniankuangreerbaolidebiwen，meiyigezidouxiangzhongchuizazaiwangtaobinlinbengkuideshenjingshang。
“wo…wobuzhidao…shenmelingli…wo…woshiwulilaoshi…wozhende…”qiushengdebennengrangtayuwuluncidifouren，shengyinsiyaposuidexiangpofengxiang。
“ze。”lvfaqingnianbumandizalexiazui，yanshenzhouranyinlengxialai。tashouwanweiweiyidong，neibinglengdedaofengshunjianjialixiaya！
yizhenjianruidecitongmengdicongjingcechuanlai！wangtaoshenzhinengqingxidiganjuedaopifubeigekaidexiweichugan，wenredeyetishunzhebinglengdedaorenliuxia，zhannidihuaguosuogu。siwangdekongjuxiangyizhibinglengdedashou，shunjianzuanjinletadexinzang，rangtajihuzhixi！
“bie！bie！woshuo！woshuo！”wangtaohunfeiposan，suoyoudedikanghelizhizaizheiyikechedifensui，zhishengxiazuiyuanshide、duishengcundesihan，“yuanzhouyundong！xiangxinli！shixiangxinli！”
“ng？”daofengdeyalilveweiyisong，qingnianwaizhetou，lianshangneidianyinlengbeiyizhongchuncuide、yeshoubandekunhuoqudai，“xiang…xiangxinli？”zheigecicongtazuilituchulai，xiandewubishengyingheguaiyi。
“dui！dui！yuanzhouyundong！”wangtaozhuazhuzheizhuanshunjishideshengji，xiangnishuizhezhuazhudaocao，yusukuaidexiangdaodouzi，shengyinyinweijidudekongjuhegangcaidesihanerpiliebiandiao，“zhenqi…lizi…raodantian…yuanzihe…zhuanquan！zuoyuanzhouyundong！xuyaoxiangxinli！meiyouxiangxinli…tajiufeile…huozhezhuangshangqu…zhale！dui！zhale！jiu…jiuxiangdianziraoyuanzihezhuan！xuyaokulunlidangxiangxinli！buranjiuwandan！lianqi…lianqijiushitigongneigeli！rangtanengzhuanqilai！”
tadiansandaosi，pinmingbaneitianzaibangongshiduilongaotianhouchulaide、tazijidourenweishihushuobadaode“kexuexiuxian”lilunwangwaidao，zhiqiuneibadaolizijideboziyuanyidian。
“yuanzihe？dianzi？”qingnianmeitoujinsuo，yanshenlidekunhuogengshenle，xianranzheixiemingcichaochuletadelijiefanwei。tafanzaodihuanglehuangnaodai，sihuxiangbatingbudongdedongxishuaichuqu，muguangzhongxinluohuishouzhongde《xuanyuangong》。tacubaodifandongzheneicuiruode、fanhuangdeshuye，fachuhualadeshengxiang，xiangshizaixunzhaozheshenme。
“dantianqihai…jingmaiyunxing…zhoutianxingdoutu…”tazuilinianniantaotao，shouzhihuaguoneixieniuqufuzadexiantiaohefuhao。turan，tadedongzuozaiyiyeshangtingzhule。neiyehuadesihubushichangjiandejingmaitu，ershixuduogetongxinyuanhuan，youneixiangwaikuosan，yixiejiqixixiaodedianzhuangfuhaoyanzheneixieyuanhuandeguijipailiefenbu，yuanhuanzhijianhaibiaozhuzheyixienanyilijiedefuhaohebilishuzi。
“re！zheige！”qingnianbashuyemengdiduidaowangtaoyanqian，jihuyaotiedaotadebijianshang，“zheipotu！huadegenguihuafuside！shushangshuozheishi‘qihaixingxuan’，lingliyunzhuandegenbentu！kezheitamadaodishishenmewanyier？zenmeyong？”
wangtaobeineinongliedechenfuqiweihejinzaizhichideguiyituyangxundeyizhenxuanyun。tabennengdixiangbiyan，danqiushengdeyizhiqiangpotazhengdayanjing，qukanqingneiyezhishangdaodishishenmedongxi。
mohudeshiyezaikongjude**xia，jiannandijujiao。
hunhuangdedengguangxia，neifanhuangdezhizhangshang，shiyigejudawupideqixuanjiegou，fangsiyouyiwanxingchen、posuidexinghuanyuxingyunwuzhihuijuerchengdeyuzhouxuanwo。zhenggexitongshanshuozhewushuguangdian，youhengxingdechibai、xingxingdeanhonghuozhanlan、xingyundezisehelvse，wucaibanlan，danyoutongyizaijudadexuanwojiegouzhong。
wangtaoruzaoleiji！juliedezhandoushunjiantingzhile，lianjingceshangkoudecitongdouganjuebudaole。yigubinglengcigudehanyi，jiazazheyizhonghuangdandaojidiandekongbu，shunjianxijuanletadequanshen，rangtasizhibaihaidoudongjiangle。
zheitamanalishishenme“qihaixingxuan”！
zheifenmingshiyoushubuqingdehengxing、xingxing、xiaoxingxinghexingyunsuipiangouchengde、yinliziqiade、gongtongyanzheluoxuanguidaoyunxingdetiantijiegou。
xiuxiangongfadehexinmitu，jingranshiduiyingzheyigefuzadetiantijiegou？
xianshiyuhuanxiangdebilei，kexuekebenyuxiuliangongfadejiexian，zaiwangtaoyanqianhongranbengta！judadehuangmiuganxiangyizhiwuxingdeshou，sisiezhuletadehoulong。tazhijuedetianxuandizhuan，zhenggeshijiedoubianchengleyigefengkuangerbinglengdexiaohua。
“kanshaleba？wanglaoshi？”lvfaqingniandeyidihuanglehuangshouzhongdecezi，xianranbawangtaodezhenjingdangchengledui“shengong”dejingwei，“kuaishuo！zheitudaodishenmeyisi？zenmerang‘qi’anzheituzhuanqilai？xiangxinli…xiangxinlizenmenongdaozheishangmian？”
wangtaodezuichunduosuozhe，danaoyipiankongbai。neibaxiguadaodebinglengchugan，jingcewenredexueji，yanqianzheihuangmiujuelunde“mitu”，qingnianyanzhonghaobuyanshidekuangreyushayi…suoyoudeyiqiejiaozhichengyizhangjudade、lingrenzhixidewang。
“shuoa！”qingnianbunaifandicuicu，daofengyouqingqingyaleya。
jidudekongjuhejudaderenzhichongjixia，yigezaiketangshangjiangjieguowushubiande、kerugusuidedinglvmingcheng，wanquanbushoukongzhidicongwangtaocanbaiduosuodezuichunli，daizhekuqianghezoudiaodezhanyin，hualechulai：
“万有引力…”