The planets that were in the sky at the time of your birth can provide insight into your purpose or destiny, according to astrology. A knowledgeable astrologer is able to interpret your charts and provide you with information regarding which planet is powerful and which planet is weak in each house of your natal chart. When you learn about the weaknesses of the world, you can take steps to fix them, which can positively change your life. Here's how astrology can impact your life. You can't completely change your life, but you can protect yourself from bad influences. You can also use astrology to help improve your chances of success and finding your true path.