We need to take a quick break from the journey through space to give a giant Happy Birthday shout-out to pi!
Pi (π) is a constant used to describe the ratio of a circle’s circumference to its diameter. Pi is an irrational number, meaning that its decimal goes on forever with no pattern. This fantastic number has been calculated out to over 1 trillion decimal places!
π = 3.1415926535897932384626433832795028841971693993751058209 7494459230781640628620899862803482534211706798214808651 3282306647093844609550582231725359408128481117450284102 7019385211055596446229489549303819644288109756659334461 2847564823378678316527120190914564856692346034861045432 6648213393607260249141273724587006606315588174881520920 9628292540917153643678925903600113305305488204665213841 4695194151160943305727036575959195309218611738193261179 3105118548074462379962749567351885752724891227938183011 9491298336733624406566430860213949463952247371907021798 6094370277053921717629317675238467481846766940513200056 8127145263560827785771342757789609173637178721468440901 2249534301465495853710507922796892589235420199561121290 2196086403441815981362977477130996051870721134999999837 2978049951059731732816096318595024459455346908302642522 3082533446850352619311881710100031378387528865875332083 8142061717766914730359825349042875546873115956286388235 3787593751957781857780532171226806613001927876611195909 2164201989380952572010654858632788659361533818279682303 0195203530185296899577362259941389124972177528347913151 5574857242454150695950829533116861727855889075098381754 6374649393192550604009277016711390098488240128583616035 6370766010471018194295559619894676783744944825537977472 6847104047534646208046684259069491293313677028989152104 7521620569660240580381501935112533824300355876402474964 7326391419927260426992279678235478163600934172164121992 4586315030286182974555706749838505494588586926995690927 2107975093029553211653449872027559602364806654991198818 3479775356636980742654252786255181841757467289097777279 3800081647060016145249192173217214772350141441973568548 1613611573525521334757418494684385233239073941433345477 6241686251898356948556209921922218427255025425688767179 0494601653466804988627232791786085784383827967976681454 1009538837863609506800642251252051173929848960841284886 2694560424196528502221066118630674427862203919494504712 3713786960956364371917287467764657573962413890865832645 9958133904780275900994657640789512694683983525957098258 2262052248940772671947826848260147699090264013639443745 5305068203496252451749399651431429809190659250937221696 4615157098583874105978859597729754989301617539284681382 6868386894277415599185592524595395943104997252468084598 7273644695848653836736222626099124608051243884390451244 1365497627807977156914359977001296160894416948685558484 0635342207222582848864815845602850601684273945226746767 8895252138522549954666727823986456596116354886230577456 4980355936345681743241125150760694794510965960940252288 7971089314566913686722874894056010150330861792868092087 4760917824938589009714909675985261365549781893129784821 6829989487226588048575640142704775551323796414515237462 3436454285844479526586782105114135473573952311342716610 2135969536231442952484937187110145765403590279934403742 0073105785390621983874478084784896833214457138687519435 0643021845319104848100537061468067491927819119793995206 1419663428754440643745123718192179998391015919561814675 1426912397489409071864942319615679452080951465502252316 0388193014209376213785595663893778708303906979207734672 2182562599661501421503068038447734549202605414665925201 4974428507325186660021324340881907104863317346496514539 0579626856100550810665879699816357473638405257145910289 7064140110971206280439039759515677157700420337869936007 2305587631763594218731251471205329281918261861258673215 7919841484882916447060957527069572209175671167229109816 9091528017350671274858322287183520935396572512108357915 1369882091444210067510334671103141267111369908658516398 3150197016515116851714376576183515565088490998985998238 7345528331635507647918535893226185489632132933089857064 2046752590709154814165498594616371802709819943099244889 5757128289059232332609729971208443357326548938239119325 9746366730583604142813883032038249037589852437441702913 2765618093773444030707469211201913020330380197621101100 4492932151608424448596376698389522868478312355265821314 4957685726243344189303968642624341077322697802807318915 4411010446823252716201052652272111660396665573092547110 5578537634668206531098965269186205647693125705863566201 8558100729360659876486117910453348850346113657686753249... You get the point.
It's commonly shortened to 3.14, which is why Pi Day is celebrated on March 14th.
Happy Pi Day!
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