So if it's a Brown Dwarf why would it necessarily be brighter if behind the Oort cloud.

Isn't the cloud called that for a reason, much debris and "cloudy" in form?

Anyway, this has to be the case. The only way the stars can fall from heaven as predicted is if a brown dwarf star of this sort does move into a closer orbit with earth.

It also states the sun will be darkened, which seems to indicate either many large hits by the debris field, (comets/asteroids) being pulled into earth orbit, or the star itself will position betwee between the sun and earth, thus blocking out the sun for a period of time depending on whether it gets caught or slowed down between the planets.

The moon turning to blood means that much dust either from massive wind storms (ie due to the immense gravitational changes affecting our weather) or hits from the "falling stars" will be thick enough to make the moon "turn red".

I've seen the moon as red as blood after a particularly bad windstorm kicked up massive amounts of dust. It looks cool but a bit freaky.