AFTER EFFECTS 22 HOW DO I CREATE THIS ASTROID EFFECTS

in this movie time 1:48

https://www.youtube.com/watch?v=Q_eyLmmLy8s

can someone help with this.

i have element 3d  and am trying to make this am noob level but if you tell me exactly how to do it step by step i can archive this with your help thank you so much.