Every Question About Dark Matter and Dark Energy Explained

Dark matter and dark energy make up most of the universe, yet we still cannot see or fully understand them. This video explains the biggest questions about these mysterious forces, from why galaxies hold together to why the universe is expanding faster. 00:00 Missing Mass 00:42 Rubin Curves 01:27 Bullet Collision 02:14 Matter Mystery 03:03 Light Bending 03:52 Structure Growth 04:38 Energy Discovery 05:25 Energy Mystery 06:17 Cosmic Background 07:11 Gravity Alternatives 08:05 Cosmic Rip 08:54 Hubble Tension