diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..48e5c18
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+atlas1.jpg filter=lfs diff=lfs merge=lfs -text
diff --git a/assets.json b/assets.json
new file mode 100644
index 0000000..1b8a842
--- /dev/null
+++ b/assets.json
@@ -0,0 +1 @@
+{"atlas1.jpg":"https://www.paul-reed.co.uk/images/atlas1.jpg"}
diff --git a/atlas1.jpg b/atlas1.jpg
new file mode 100644
index 0000000..6a0c1fa
--- /dev/null
+++ b/atlas1.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:59a410f2fdf3fc7466ffcfbeeff6fd9c641dc662af16f5a6d1003b42b96a999a
+size 362026
diff --git a/sketch.js b/sketch.js
index 37f3859..a88cb82 100644
--- a/sketch.js
+++ b/sketch.js
@@ -1,6 +1,13 @@
 let charges = new Map();
 let counter = 0;
 
+let sphere_mode = 'circles';
+let sphere_radius = 200;
+
+function preload() {
+  earth = loadImage("atlas1.jpg");
+}
+
 function setup() {
   createCanvas(600, 600, WEBGL);
 }
@@ -10,7 +17,7 @@ function draw() {
   background(50);
 
   make_lights();
-  draw_sphere(200, 25);
+  draw_sphere(sphere_radius, 25);
 }
 
 function draw_sphere(radius, n_axis_circles) {
@@ -21,7 +28,7 @@ function draw_sphere(radius, n_axis_circles) {
   rotateX(TAU / 4);
   draw_circles(
     radius,
-    n_axis_circles,
+    sphere_mode === 'earth' ? 2 : n_axis_circles,
     color(0x00, 0x9f, 0xff),
     color(0xff, 0x9f, 0x00),
   );
@@ -30,11 +37,22 @@ function draw_sphere(radius, n_axis_circles) {
   rotateY(TAU / 4);
   draw_circles(
     radius,
-    n_axis_circles,
+    sphere_mode === 'earth' ? 2 : n_axis_circles,
     color(0xff, 0x00, 0xff),
     color(0x00, 0xff, 0x00),
   );
   pop();
+
+  if (sphere_mode === 'earth') {
+    noStroke();
+    noFill();
+    tint(0xff, 0x9f);
+    texture(earth);
+    push();
+    rotateY(TAU / 4);
+    sphere(radius);
+    pop();
+  }
 }
 
 function draw_circles(radius, n_circles, pole_1_color, pole_2_color) {
@@ -64,3 +82,9 @@ function make_lights() {
   directionalLight(0x1f, 0x1f, 0x1f, light);
   ambientLight(0xbf);
 }
+
+function keyPressed() {
+  if (key == 'd') {
+    sphere_mode = sphere_mode === 'earth' ? 'circles' : 'earth';
+  }
+}