diff --git a/src/asteroids.rs b/src/asteroids.rs
index 6285920..ff43e68 100644
--- a/src/asteroids.rs
+++ b/src/asteroids.rs
@@ -8,29 +8,9 @@ use std::time::Duration;
 use bevy::prelude::*;
 
 use crate::{
-    config::ASTEROID_LIFETIME, events::{AsteroidDestroy, SpawnAsteroid}, physics::Velocity, GameAssets, Lifetime, WorldSize
+    config::ASTEROID_LIFETIME, events::{AsteroidDestroy, SpawnAsteroid}, objects::{Asteroid, AsteroidSize}, physics::Velocity, GameAssets, Lifetime, WorldSize
 };
 
-#[derive(Component, Deref, DerefMut)]
-pub struct Asteroid(AsteroidSize);
-
-#[derive(Clone, Copy, Debug)]
-pub enum AsteroidSize {
-    Small,
-    Medium,
-    Large,
-}
-
-impl AsteroidSize {
-    fn next(&self) -> Option<Self> {
-        match self {
-            AsteroidSize::Small => None,
-            AsteroidSize::Medium => Some(AsteroidSize::Small),
-            AsteroidSize::Large => Some(AsteroidSize::Medium),
-        }
-    }
-}
-
 #[derive(Resource)]
 pub struct AsteroidSpawner {
     rng: std::sync::Mutex<rand::rngs::StdRng>,
diff --git a/src/events.rs b/src/events.rs
index 1369740..27758d7 100644
--- a/src/events.rs
+++ b/src/events.rs
@@ -1,6 +1,6 @@
 use bevy::prelude::*;
 
-use crate::asteroids::AsteroidSize;
+use crate::objects::AsteroidSize;
 
 /// Signals that the player's ship has been destroyed.
 /// Used when the player collides with an asteroid.
diff --git a/src/lib.rs b/src/lib.rs
index 3c65614..336e851 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,17 +1,19 @@
 mod asteroids;
 pub mod config;
 mod events;
+mod objects;
 mod physics;
 mod preparation_widget;
 mod ship;
 mod title_screen;
 
-use crate::asteroids::{Asteroid, AsteroidSpawner};
+use crate::asteroids::{AsteroidSpawner};
 use crate::config::{
     ASTEROID_SMALL_COLOR, BACKGROUND_COLOR, BULLET_COLOR, BULLET_LIFETIME, BULLET_SPEED,
     PLAYER_SHIP_COLOR, SHIP_ROTATION, SHIP_THRUST, SHIP_THRUSTER_COLOR_ACTIVE,
     SHIP_THRUSTER_COLOR_INACTIVE, WINDOW_SIZE,
 };
+use crate::objects::Asteroid;
 use crate::physics::AngularVelocity;
 use crate::ship::{Bullet, Ship};
 
diff --git a/src/objects.rs b/src/objects.rs
new file mode 100644
index 0000000..b4ba8e6
--- /dev/null
+++ b/src/objects.rs
@@ -0,0 +1,25 @@
+//! This module contains all the "things" in the game.
+//! 
+//! Asteroids, the player's ship, and such.
+
+use bevy::{ecs::component::Component, prelude::{Deref, DerefMut}};
+
+#[derive(Component, Deref, DerefMut)]
+pub struct Asteroid(pub AsteroidSize);
+
+#[derive(Clone, Copy, Debug)]
+pub enum AsteroidSize {
+    Small,
+    Medium,
+    Large,
+}
+
+impl AsteroidSize {
+    pub fn next(&self) -> Option<Self> {
+        match self {
+            AsteroidSize::Small => None,
+            AsteroidSize::Medium => Some(AsteroidSize::Small),
+            AsteroidSize::Large => Some(AsteroidSize::Medium),
+        }
+    }
+}
diff --git a/src/ship.rs b/src/ship.rs
index 507c49f..54d4abe 100644
--- a/src/ship.rs
+++ b/src/ship.rs
@@ -1,6 +1,6 @@
 use crate::{
     AngularVelocity, GameAssets, GameState, Lives,
-    asteroids::Asteroid,
+    objects::Asteroid,
     events::{BulletDestroy, ShipDestroy},
     physics::{Velocity, Wrapping},
 };