Moon Earth Sun C++ Programming by virajith lankeshwara #include <iostream> #include<stdio.h> #include <graphics.h> #include<math.h> #define Pi 3.412 int main() { double t,t1=0; double a=200,b=50; double x,y,x1,y1; float r; initwindow(600,600); setcolor(YELLOW); circle(299,299,50); for (double t = 0; t < 2000*Pi; t =t+0.01) { x=a*sin(t)+299; y=a*cos(t)+299; setcolor(WHITE); circle(299,299,200); setcolor(WHITE); circle(x,y,50); setcolor(MAGENTA); circle(x,y,20); delay(50); setcolor(BLACK); circle(x,y,20); setcolor(WHITE); circle(x,y,50); setcolor(BLACK); circle(x,y,50); ...