Planetary nebulae are not related to planets, other than that their shape may sometimes look like a planet. A reflection nebula reflects the light that is cast upon its' dust, from nearby stars. They are often blue in colour. A good example of a reflection nebula is the nebula that formed the Pleiades cluster.
Here is some information from Consumers Union about this personal choice. What the Security Freeze Prevents A security freeze is an effective tool in preventing the most costly and difficult-to-detect form of identity theft â false new accounts opened in your name.
Request a temporary credit unfreeze. When a consumer freezes his credit, the reporting agency assigns a personal identification number. Unfreeze your credit report by contacting each reporting agency (TransUnion, Equifax and Experian) and providing the PIN. Each credit bureau will have assigned you a different PIN. Request a permanent unfreeze. If you decide to unfreeze your credit permanently, you'll need the same PIN as a temporary unfreeze.