寄蜉蝣于天地，渺沧海之一粟。

相信大家都知道，宇宙是空旷的，甚至我们的太阳系都无比空旷。可是，轨道半径那长长的数据也许很难让我们切实地感受到太阳系的渺小。因此，我决定基于MATLAB绘制一下太阳系的真实比例。

代码本身并不复杂，主要是太阳系行星照片和数据^{[1]的查询较为繁琐。}

演示视频如下：

代码链接如下：

clcclear%% paramters(1 = 100km)Rs = 6955.00;                   %Sun RadiusRm = 24.397;                    %Mercury RadiusRv = 60.518;                    %Venus RadiusRe = 63.710;                    %Earth RadiusRma= 33.895;                    %Mars RadiusRj = 699.11;                    %Jupiter RadiusRsa = 543.64;                   %Saturn RadiusRu = 249.73;                    %Uranus RadiusRn = 243.41;                    %Neptune Radiusr_mer = 579091.00;              %Mercury Orbitr_ven = 1082080.00;             %Venus Orbitr_ear = 1495980.23;             %Earth Orbitr_mar = 2279366.00;             %Mars Orbitr_jup = 7785472.00;             %Jupiter Orbitr_sat = 14334493.70;            %Saturn Orbitr_ura = 28766790.82;            %Uranus Orbitr_nep = 45034436.61;            %Neptune Orbitlabel = 1.2;%% plot modelhold on% draw SunSun = imread('Solar_System/Sun.jpg');Sun = imresize(Sun, [2 * Rs 2 * Rs]);image(-Rs, -Rs, Sun);text(0, Rs * label, 'Sun', 'color', 'w');% draw MercuryMercury = imread('Solar_System/Mercury.jpg');Mercury = imresize(Mercury, [2 * Rm 2 * Rm]);image(r_mer-Rm, -Rm, Mercury);text(r_mer, 0, 'Mercury', 'color', 'w');% draw VenusVenus = imread('Solar_System/Venus.jpg');Venus = imresize(Venus, [2 * Rv 2 * Rv]);image(r_ven-Rv, -Rv, Venus);text(r_ven, 0, 'Venus', 'color', 'w');% draw EarthEarth = imread('Solar_System/Earth.jpg');Earth = imresize(Earth, [2 * Re 2 * Re]);image(r_ear-Re, -Re, Earth);text(r_ear, 0, 'Earth', 'color', 'w');% draw MarsMars = imread('Solar_System/Mars.jpg');Mars = imresize(Mars, [2 * Rma 2 * Rma]);image(r_mar-Rma, -Rma, Mars);text(r_mar, 0, 'Mars', 'color', 'w');% draw JupiterJupiter = imread('Solar_System/Jupiter.jpg');Jupiter = imresize(Jupiter, [2 * Rj 2 * Rj]);image(r_jup - Rj, -Rj, Jupiter);text(r_jup, 0, 'Jupiter', 'color', 'w')% draw SaturnSaturn = imread('Solar_System/Saturn.jpg');Saturn = imresize(Saturn, [2 * Rsa 2 * 2.515 * Rsa]);image(r_sat - 2.515 * Rsa, -Rsa, Saturn);text(r_sat, 0, 'Saturn', 'color', 'w')% draw UranusUranus = imread('Solar_System/Uranus.jpg');Uranus = imresize(Uranus, [2 * Ru 2 * Ru]);image(r_ura - Ru, -Ru, Uranus);text(r_ura, 0, 'Uranus', 'color', 'w')% draw NeptuneNeptune = imread('Solar_System/Neptune.jpg');Neptune = imresize(Neptune, [2 * Rn 2 * Rn]);image(r_nep - Rn, -Rn, Neptune);text(r_nep, 0, 'Neptune', 'color', 'w')title('Solar System');xlabel('100km=1');ylabel('100km=1');set(gca, 'color',[0 0 0]);image(2 * r_nep, r_nep, Neptune);       %没有特别用途，支撑图片边框用image(-r_nep, -r_nep, Neptune);         %没有特别用途，支撑图片边框用axis([-100000 1.1 * r_nep -300000 300000]);box ongrid onaxis equal

参考

1. ^相关数据来源主词条： https://en.wikipedia.org/wiki/Solar_System