银河系估约有多少颗恒星

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/05 11:46:49
x}[sG_A̓KS/8c޾EcfvhY=fZrvw<"A$.+^(E$X0?FV|de%gg66C U';z/W?ѿmrKS٩sݮT];j_w* yvw/JUo~DStb?1_ vi uu._ěN2sP{R*ծь*qDoh;sѮzŊJg婷0.U;1/|w~?wc#7*pK1+4^һFaxlhHqҵ{n{p'1>LfD=:}V7"*n1Չ:S*5.*=]'s*9tS hZQYz۟}STA7Ω)oix(ҌW\}ȸKt RUkƉ1ϦOFYfm;97[##NUD/YBhAt3* TT3!.M'Vs}͘ը}q^lkr(qO奟|էvdI5be Vâ:~_ŇxOLtvR^F3f/@Rz]7J(OU<趞T:"!SvE+ywuB}>xT%EOHuk635|?;,ֽg oq_"m0[φyhMݜk>>zw>njGsX\#BL8Bkn%"o3[)+*^æfitr{Um1m6a/W%r3mgmv2=AK,Nw5s4ZTHګeHm3 '=a!_ o4T*R.㧃 v;J2;$VwzT"7w K+CDkˀ)9I GIU]I0LN4hޜ $W w 4J SnLS<߹.1NM:BUvkY32iZ\:{nK(7{^ȿ.D%vEesvg=r,TUeWHӨCjuށ$l*Z{+BDvdG*U+tM8,p z^ lLJ!nojKS,-p&JSù°}!>]RNl6FWJ! u^;``z"jSeGm;a7?ODYyͤ2 _+'~׺DֲD>aL F&M8M^R-FfxnH;b ր8`m""3^bpqg-^0WK{$d"V2@Yw3VIxCZO"B 魟}NXjO]=~$a[ӏ|g4K~k [+ئr^JC6޿76R ɥW_' Y'g菮m'Ɖ}ⲑyN-odl .$ˊQdBtyO-b^eV")U<'Չ R׌Š>7Cl?$ɈiM`~v}{=1WX!bv oqSGY}5G,G"վJ@ _EzkfEu_=xQӸ|DŽڵ9FO3-MY\^o)#KuY0@l dU+VHEi%Is~99 }h; B׫ؼyܳIdMn2.򧪮M.UL/dQYY,+Fì,tk SG țl:lρCPQ$-m]sQMB5U[H:CGu\t@GBVղƯxO&v;0?el" QpҟYߑ VE `hﰹ>ȁ b#V_$#YDmگD{ԧJ\$w}ff&v]+[OF>J'[1 >h\Pu9j ГvȤNH\`3@1F 耆rzH2DvĸI{4y3nlH2Džtuhjv_48lhfa V7ݕ<1d۰[$P.#vv=x{ Rk"?LSъ:YgL:gn./Jy3 ^~u(#wDh>aDz[!:J[ v?m eq@uR OvтEw5,}#(i6ZiGճ~N +8tÛ;D\:%}oՈEDu!, k0hmt7M"}Kv_Uŷ`UgG6pyG5ODU61n(3q*f8ש/X"Qjz9|BDŽi1"W={:0NE9(]*GEs'r6Vw:Yw$1r73 H&? 8 L3$hD: iEgg[wDo#*ē$?YTYe&5ݫt1mpUY6˸ڢ+`g]#+UϸGjv zx ތ 7l]r'͢} ϭKA 8^o"&m@(ǡ`?Pq<^-kS"? 0\/3&9Pb0Hjd}M&pw PSQg GMVIP|`'<ă'Ϟzr"ˉ_L>r 'O>|0ģG]~ 67}?|?ߖDME16̫ښ' 5(%@E%%`s=IG lAD9׊yk86v6t4`a'NNMlG z?M`FvILld,tğEPM;9AT,G2/$ҕ łZλK/#cI$#Xb7Y96gV&si N4~ dgyM=(V(BN0XDȁ+ZW ^:v6vx]9@Y=m3[?6LDKBX0zAJsh.FЛ3-1ʔ002oRn&!H0?+E A7+nۨsGrJH"޼7fRU܍НkD^鐹S$ S%cHʧ̪mDHf<,y7Rxh E o`[Kcd)U,1R"%-b+ab4)5AimB2QuF# =I`<jK$LRLbAs͋S1A@6']e4%B.`8)E<# E jg bqٗ/ݷ["<|&|ȇ=ͷO^6&+l /"ʇOsC`*FZ@9r!ģL>|1oa-)3n6Ǝ `/^b\ҋ1`z!bK&!-UH'n#J d.rzĠ33a {@1qrQXen}c֕XڼʯI6/ޔ"Hb%t!a n3wt$$LBJuG!I-]4YITJ4XHHܗdCIS&8/.BCW=J{YF]A!Z-gga :X]`EHO8Dh2ЇR"FN"7kmI ?s {燝:ِ?GiCAr璉h @ S[P뒤lꙥkyn6nb$C!1+(M#T.;3Kuof) Gvk޼7kAV\%E"݅!Cy$ZB2"Js)̔0`-ɀʗhlCI }U>.IYu;.p g:i3qϕX)KPGlz0t2WBni}(:u#82'%Iw -$;f3E6Yor!s-ѮHkIHؕ!7sh`ӆ9އ⢸dhG5\6ZhW3(mR!kA MP3(IB'C ;.3(ĿE)}ZnbF^ J\/r}jjP8h >%VF >]샚l)*?K5V I`b\LJL8(J᝜I-;8.BOC4b[̶12rzM 4eu1&Ej}hQbGA+W o:a$jc%@JoDKZ%Eqt||BMI(11QARSi%•L"7f{E [r wHB>~gڭ% ha퍉6LtSf*" n]P m0WZ 9bnE?VOYmyePl=pTV@'fU~fjlVK#GBDmL qQB5Ipp+&-"a pa/c1۶S1 9`TҤ?^3 ig8).b]$"V<. D\K%4t v:A?}*JF/z!La$D z뱞\vXt" 79$o~T)rzy.$T]Y B cu#83ݭ$te}OMU͐jxxj%[4.fpCu$&T$CQRS/_WLڱ?{MG7R;X KζOky*qNzJ8q!V 8ᵃhKhP.pB!,Q1jSOB¿fl1|(CBϑuxZ8j@%2^7w1h#⩋vm18dcNdό;Q:)!b!1r`N݋t@.c`.ʁZ48AGy R=C!bfRa:DI}siwyMjNE Y]}f(Hxd8 Goq GӘ~bW]$\OO42N%Jx [RNּ㠹 J1u)=~9Dv%!asxYܼOipQ; $? ђ' ٮʬlC7"J1LB5,-`rwn!?8[lq9ǿ8>PS볪ZpKU$*ڒ{؅shBk6` nDGJt(ހ}FNtI)G @ǃA>]QXƣ̱)73s6dvcf6Bb?xD`xT%Vg=oV .ўqsFqEX&,r㧿 Fw#: Q>'D84cU$|Զ5 T*ح+K^lHʎcl&| ;L]PV-f[LƂNSDǧ7_}_BDڻ3^z.F|^TWq'dC,.35$'ڍBW(n niY:ĕ3Ck)O&~çD>}Ǒ/N>~:KZ\ܘ'Y+-ɚ >ڨ;.d!ͮjWFw?^'3AkzZ'8g_N|!u_1]da#9'9Ωz +wJF06Υ/>4EC#;M:a|saFE쨖%4$%f - tXvHԒ&}qKl؏*c$`֑\F6vyEJIȭt<"1"i,t+#@G# QR4a/X}$W)Yڗ AL+ "1C9'hR!%r\zf;"Ifrƞgks"#5KnRM un,&}!=BB$EH&|Y,:ITgYbˤgdž"::<ҟ/o_WaWϏk"ZggFlDː "p)Mw6x(v=KZ+IFqڃ.5gtێADXH#C_qT +.p:cyAv4|8DE /xL25i[Ed[CZI^o $("-eLfd(_􏉥9~k!D9|֏Zpe AˍLJp\)1fMߜt3isxv4BCsj+6 dew"}}ƣ^A=9HH/@Niw‡K@J5J>v'1j<@ưU/d$s8=)a R `fgCCŢIWX`|D$6+xfT!۰X\NB0']禳2K"pf}ӏZG}mk=T>%J PʇiF^s7Y^,H^3)g:R1< &N [Pf>Y 9k9g|tTΑ! kT > ސEZ=.x{Y#`dɁfS)2*ti4Y(IHJ0k]|vbNB{E:Nk6sҩમ9zη =PiӰrm.`Bƻߖ'|NbX$As0Q.Nx8 vgE:<1ΦT3, Ř Dr媢f\KFGdv䄏J LMGW4;d+Y6.u5j[sJuO CTi:@9g$+hC34#} !< GkH˝&P;@Il΋V#v·7>ZHnؠEҡ bż3?bj/ 2.?O,4:Bl3^JE/>ĵYnIO^(]i +wЂ@R[Nt+}!AcϳK[hz]wzkH3aY {b n(J,HhH~%I 2 A$& ;*^2DZWC0#<9@ a7*EE8qp]5*#K8ؐ@N}K,8V OAtmmM2Ǜ~]}?g{ssǠ'}zogIt2m{7n`2%oto֌č3MSC E5~ Eտ|9W~ï|Ntttx|(~4T/RjD)b[Zh*'BKU;s|^X-TB=TʏԁF=o:hǮ9νNͪ$0`*6} _hyxRvvU.a +@#{X y+ 7,0Щz̿FK"!l摃#p>h:Qtu5-=ҁP^bMsU2"S2񟥽RG[gLuvVPU{mƋvSZ\ìv~awCP.E?t|_s<ôդk.Y1|h,A/hN~XZa4V)TrIՖx]>n !{q:,.i^oxxu B2 J`ǤIc"$" [82Ffg`lR"&dH!;)JU`(q A'nahlkgGħ3Æ{}쬧L ./֊_ȯzg@m&];q55%Qj"KWg9%2{9 H>i߈+7~mvi:8#Cbd7@"EIɶ~qa<|~t;}nTEN6zLՈEwMG8!sg}!p(y˷+*EM>ɕ  h% cߙT-p0܌ʇmt\R҂+91MN~AWq3h]14[E[xwh 4*xe, D#\pV!9c'UpbԏMk ?~tq>G#\f9Rx8QzMLsK&mܷ/Gt#g|Na_>J/ʑ%Յ?z- p8V*[Ct0 tE0c+= Bʴ4[ulc70;w~ "qy4&Q kiC{͎