| Question | Links to Possible Answers | 
| 1. How can we be sure dark matter exists? | Gas Observations Galaxy Rotation Curves
 Gravitational Lensing
 Open/Expanding Universe
 Missing Mass
 
 | 
| 2. What are the possible candidates for the particles that actually make up dark matter? | MACHOs, WIMPs Ordinary Matter
 Super-symmetric Particles
 Neutralinos
 | 
| 3. What are the properties of WIMPs? The Neutralino
 | 
| 4. What onging research is being done to detect and experiment with dark matter? | Axion research liquid Xenon research
 | 
| 5. Where are all the super-symmetric particles? | More Links |