3.1 Bid 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 What is the nature of Dark Matter? What is the nature of Dark Energy? What is Dark Flow? The slingshot anomaly. Did inflation really happen? Was there a singularity at the origin of our Universe, and what happened