❔ Godot - Collision isn't detected

using System;
using Godot;
using Technospace.Extensions;

namespace Technospace;

public partial class Asteroid : Area2D
{
    private static readonly string[] Textures = new string[]
    {
        "asteroid1.png",
        "asteroid2.png",
        "asteroid3.png",
        "asteroid4.png",
        "asteroid5.png"
    };
    
    // Called when the node enters the scene tree for the first time.
    public override void _Ready()
    {
        var sprite = new Sprite2D();
        sprite.Texture = GD.Load<Texture2D>($"res://sprites/{Textures.PickRandom()}");
        AddChild(sprite);
        var collision = new AsteroidCollision();
        AddChild(collision);
        BodyEntered += body => GD.Print(body); // Event is not fired on collision
        var dim = GetNode<Root>("/root/Root").ScreenDimensions;
        var random = new Random();
        var t = Transform;
        t.Origin = new Vector2(random.Next((int)-(dim.X / 2), (int)(dim.X / 2)), -(dim.Y / 2));
        Transform = t;
    }

    // Called every frame. 'delta' is the elapsed time since the previous frame.
    public override void _Process(double delta)
    {
        var t = Transform;
        t.Origin = new Vector2(t.Origin.X, t.Origin.Y + (float)delta * 500);
        Transform = t;
    }
}

using System;
using Godot;
using Technospace.Extensions;

namespace Technospace;

public partial class Asteroid : Area2D
{
    private static readonly string[] Textures = new string[]
    {
        "asteroid1.png",
        "asteroid2.png",
        "asteroid3.png",
        "asteroid4.png",
        "asteroid5.png"
    };
    
    // Called when the node enters the scene tree for the first time.
    public override void _Ready()
    {
        var sprite = new Sprite2D();
        sprite.Texture = GD.Load<Texture2D>($"res://sprites/{Textures.PickRandom()}");
        AddChild(sprite);
        var collision = new AsteroidCollision();
        AddChild(collision);
        BodyEntered += body => GD.Print(body); // Event is not fired on collision
        var dim = GetNode<Root>("/root/Root").ScreenDimensions;
        var random = new Random();
        var t = Transform;
        t.Origin = new Vector2(random.Next((int)-(dim.X / 2), (int)(dim.X / 2)), -(dim.Y / 2));
        Transform = t;
    }

    // Called every frame. 'delta' is the elapsed time since the previous frame.
    public override void _Process(double delta)
    {
        var t = Transform;
        t.Origin = new Vector2(t.Origin.X, t.Origin.Y + (float)delta * 500);
        Transform = t;
    }
}

using Godot;

namespace Technospace;

public partial class AsteroidCollision : CollisionShape2D
{
    // Called when the node enters the scene tree for the first time.
    public override void _Ready()
    {
        var shape = new RectangleShape2D();
        shape.Size = new Vector2(32, 32);
        Shape = shape;
    }

    // Called every frame. 'delta' is the elapsed time since the previous frame.
    public override void _Process(double delta)
    {
    }
}

using Godot;

namespace Technospace;

public partial class AsteroidCollision : CollisionShape2D
{
    // Called when the node enters the scene tree for the first time.
    public override void _Ready()
    {
        var shape = new RectangleShape2D();
        shape.Size = new Vector2(32, 32);
        Shape = shape;
    }

    // Called every frame. 'delta' is the elapsed time since the previous frame.
    public override void _Process(double delta)
    {
    }
}