Here is what I found online about Venus and Lucifer.
 
Every Universe (world or planet) has its own Logos, says the doctrine. According to the Occult Doctrine, Venus or Lucifer (also Sukra and Usanas), is our Earth's primary. Every world has its parent star and sister planet. Venus or Lucifer is the light-bearer of our Earth, in both its physical and mystic sense: the occult sister and alter-ego of the Earth. .......
http://www.wisdomworld.org/additional/ListOfCollatedArticles/ThePlanetaryWorlds.html