Red in itself is neither good nor bad. Likewise, the sun signs have a wide range of interpretation. In astrology, each planet represents qualities and experiences common to us all. The Moon looms large in our cultural lore. Science knows that the moon has a causal effect on the tides.
Many people are aware that the moon has a similar effect on our bodies, moods and emotions.
If we think about it, we might agree that a warm and bright summer sun has a different impact on our physical being than a winter sun. As babies just being born, with our sensitivities turned up to maximum, we are imprinted with the energies of all the planets at that particular place and time. For behold, the kingdom of heaven is within you. This is a map that describes where the planets were at that moment in time. The exact degrees are determined by complicated, yet precise, mathematical calculations.