In some respects, the astral light can be likened to the semi-conscious aspects of the planet's mind. This statement may strike one as odd, for it implies that the planet herself is alive and conscious, and indeed, she is.
A fundamental understanding of The Tradition is that everything in the universe is conscious to varying degrees. A single cell in your body is alive and conscious, albeit to a lesser degree than the consciousness of your hand and certainly far less conscious than what we call "I" or our mind.
Just as your mind lives at a level of consciousness far above that of a single cell in your body, the planet's consciousness far exceeds our own - so much so that it's difficult to contemplate, let alone comprehend.
Something to ponder: Scientists have been unable to pinpoint the part of the brain responsible for what we call the "mind." This is because the mind is an aspect of our consciousness that is not located in the head but rather in our aura, which is our astral light. One might find it interesting to watch someone's eyes when they try to recall something forgotten. Do they not tend to 'look' in different areas of their aura to try to access the information?
The astral light of the planet is the part of her consciousness that stores her memories and impressions.
Now, we must divert for a moment to explain something about the universe that will clarify what is to come: Two fundamental laws of nature govern the workings of the entire universe and all within it. These are known as the 'Law of Three' and the 'Law of Seven.'
The law of three states that for any manifestation or event to exist in the universe, three separate forces must converge in the right proportions at the point of the manifestation or event. These individual forces are known as 'active,' 'passive,' and 'neutralizing' forces.
The law of seven states that every event can be viewed as a process that is either in growth or diminishment and can be broken down into seven distinct phases from its beginning to its completion.
Thus, the Astral Light, like everything else in the universe, is also governed by these two fundamental universal laws. The astral light is divided into seven frequency bands or levels, each with its nature and function.
The seven levels of the astral light consist of an ascending octave of vibrational densities, with level 7 being the most coarse and dense while level 1 is the most refined.
Once commissioned, every action, thought, event, emotion, or deed is broken up like white light passing through a prism, and its electromagnetic contents are stored in the astral light levels corresponding to its constituent parts.
Note: This process happens in our aura too, which explains why although an experience may have had both good and bad components, we tend only to be able to connect to one or the other at any given moment, depending on whether we are in a higher or lower frame of mind.
Thus, to one who can see the Astral Light of the planet, it can serve as a guide and tutor along one's journey - depending, of course, on where one resides in oneself according to one's values, standards, connections, and assemblies.
Understand that caution is advised for "coarse go with coarse, and fine go with fine," If you are not connected to the higher levels of yourself, you will only see the lower levels of the astral light, which can be most nightmarish.
Now, for some practical pointers for your exploration:
Level 7: To do with rot, decay, evil, abuse, rape, murder, torture, etc...
Level 6: To do with gain-and-loss, corruption, greed, betrayal, power, etc...
Level 5: To do with education for its own sake, knowledge without application, etc...
Level 4: To do with higher learning, development, growth, insight, etc...
Level 3: To do with personal religion, essence-connection, inspiration, etc...
Level 2: To do with universal religion, emanation, causation, creation, etc...
Level 1: God, The Absolute, Unity, Universal Presence, etc...
And see that what exists in the astral light of the planet is highly loaded in levels 5-7 due to "wrong manufacture" by humans. The lowest station the human should occupy by birthright is level 4, never below, but this is seldom the case.
And now the spectral colors that go with each level of The Astral Light:
Level 7: Red
Level 6: Orange
Level 5: Yellow
Level 4: Green
Level 3: Blue
Level 2: Indigo
Level 1: Violet
And the pentagram colors that are attributed to The Occult contents of each level:
Level 7: White
Level 6: Red
Level 5: Blue
Level 4: Yellow
Level 3: Green
Level 2: Gold
Level 1: Silver