diff --git a/doc/scripts/generate_starchart.py b/doc/scripts/generate_starchart.py
index 9dd3295..1b06e3f 100755
--- a/doc/scripts/generate_starchart.py
+++ b/doc/scripts/generate_starchart.py
@@ -44,6 +44,8 @@ def render(ra, dec, mag, ci, dist, name):
     dec = float(dec)
     mag = float(mag)
     name = re.sub(r'\s+', ' ', name)
+    if name == 'Sol':
+        return
 
     distance = 1.0
     ra_radians = math.radians(ra * 15)  # ra is in [0, 24], multiplying by 15 gives degrees in [0, 360]
diff --git a/src/commands.rs b/src/commands.rs
index 94cab3f..195de2d 100644
--- a/src/commands.rs
+++ b/src/commands.rs
@@ -39,7 +39,7 @@ struct ParserState {
     // Actor fields
     id: String,
     pos: DVec3,
-    model: String,
+    model: Option<String>,
     model_scale: f32,
     rotation: Quat,
     velocity: DVec3,
@@ -53,6 +53,7 @@ struct ParserState {
     is_vehicle: bool,
     is_clickable: bool,
     is_targeted_on_startup: bool,
+    is_sun: bool,
     has_physics: bool,
     wants_maxrotation: Option<f64>,
     wants_maxvelocity: Option<f64>,
@@ -84,7 +85,7 @@ impl Default for ParserState {
 
             id: "".to_string(),
             pos: DVec3::new(0.0, 0.0, 0.0),
-            model: "".to_string(),
+            model: None,
             model_scale: 1.0,
             rotation: Quat::IDENTITY,
             velocity: DVec3::splat(0.0),
@@ -98,6 +99,7 @@ impl Default for ParserState {
             is_vehicle: false,
             is_clickable: true,
             is_targeted_on_startup: false,
+            is_sun: false,
             has_physics: true,
             wants_maxrotation: None,
             wants_maxvelocity: None,
@@ -177,7 +179,21 @@ pub fn load_defs(
                 ew_spawn.send(SpawnEvent(state));
                 state = ParserState::default();
                 state.class = DefClass::Actor;
-                state.model = model.to_string();
+                state.model = Some(model.to_string());
+                if let (Ok(x_float), Ok(y_float), Ok(z_float)) =
+                        (x.parse::<f64>(), y.parse::<f64>(), z.parse::<f64>()) {
+                    state.pos = DVec3::new(x_float, y_float, z_float);
+                }
+                else {
+                    error!("Can't parse coordinates as floats in def: {line}");
+                    state = ParserState::default();
+                    continue;
+                }
+            }
+            ["actor", x, y, z] => {
+                ew_spawn.send(SpawnEvent(state));
+                state = ParserState::default();
+                state.class = DefClass::Actor;
                 if let (Ok(x_float), Ok(y_float), Ok(z_float)) =
                         (x.parse::<f64>(), y.parse::<f64>(), z.parse::<f64>()) {
                     state.pos = DVec3::new(x_float, y_float, z_float);
@@ -237,6 +253,10 @@ pub fn load_defs(
             ["moon", "yes"] => {
                 state.model_scale *= 3.0;
             }
+            ["sun", "yes"] => {
+                state.is_sun = true;
+                state.model_scale *= 5.0;
+            }
             ["oxygen", amount] => {
                 if let Ok(amount) = amount.parse::<f32>() {
                     state.is_lifeform = true;
@@ -461,10 +481,14 @@ fn spawn_entities(
             actor.insert(Position::from(state.pos));
             actor.insert(Rotation::from(state.rotation));
             if state.is_sphere {
-                let sphere_texture_handle: Handle<Image> = asset_server.load(format!("textures/{}.jpg", state.model));
+                let sphere_texture_handle = if let Some(model) = &state.model {
+                    Some(asset_server.load(format!("textures/{}.jpg", model)))
+                } else {
+                    None
+                };
                 let sphere_handle = meshes.add(Sphere::new(1.0).mesh().uv(128, 128));
                 let sphere_material_handle = materials.add(StandardMaterial {
-                    base_color_texture: Some(sphere_texture_handle.clone()),
+                    base_color_texture: sphere_texture_handle,
                     perceptual_roughness: 1.0,
                     metallic: 0.0,
                     ..default()
@@ -478,13 +502,13 @@ fn spawn_entities(
                     },
                     ..default()
                 });
-            } else {
+            } else if let Some(model) = &state.model {
                 actor.insert(SceneBundle {
                     transform: Transform {
                         scale: Vec3::splat(state.model_scale),
                         ..default()
                     },
-                    scene: asset_server.load(world::asset_name_to_path(state.model.as_str())),
+                    scene: asset_server.load(world::asset_name_to_path(model.as_str())),
                     ..default()
                 });
             }
@@ -524,6 +548,14 @@ fn spawn_entities(
                 actor.insert(actor::Player);
                 actor.insert(actor::PlayerCamera);
             }
+            if state.is_sun {
+                let (r, g, b) = nature::star_color_index_to_rgb(0.656);
+                actor.insert(materials.add(StandardMaterial {
+                    base_color: Color::rgb(r, g, b) * 13.0,
+                    unlit: true,
+                    ..default()
+                }));
+            }
             if state.is_targeted_on_startup {
                 actor.insert(hud::IsTargeted);
             }
diff --git a/src/data/stars.in b/src/data/stars.in
index 6357004..4a1ec14 100644
--- a/src/data/stars.in
+++ b/src/data/stars.in
@@ -3,7 +3,6 @@
 // License: CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/
 // Each star's values: (x, y, z, magnitude, color index, distance, name)
 [
-(1.0,0.0,-0.0,-26.7,0.656,0.0,"Sol"),
 (-0.1875,-0.2876,-0.9392,-1.44,0.009,2.6371,"Sirius"),
 (-0.06322,-0.7954,-0.6027,-0.62,0.164,94.7867,"Canopus"),
 (-0.7838,0.3286,0.527,-0.05,1.239,11.2575,"Arcturus"),
diff --git a/src/defs.txt b/src/defs.txt
index 87ff221..b4956c3 100644
--- a/src/defs.txt
+++ b/src/defs.txt
@@ -1,4 +1,14 @@
+actor 0 0 0
+    id sol
+    name Sol
+    scale 696300e3
+    sphere yes
+    sun yes
+    physics off
+
 actor 0 0 0 jupiter
+    relativeto sol
+    orbit 778479000e3 0.5
     id jupiter
     name Jupiter
     scale 71492e3