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This will make the object visible until the next key.

4 Drag the time slider and observe the animation in the viewport.

The asteroid disappears and the fragments fly outward.

5 Close the Visibility dialog by clicking the X button in its title bar.

Render a frame to preview the explosion effect:

1 Right-click the camera viewport and choose Unhide All.

Setting Visibility Keys to Make the Asteroid Disappear | 577