The 9th House in astrology shows how you discover the world and ultimately, how you attempt to create a relationship with the world. The question you are trying to answer with the 9th House is this: "What is the world?"
The 10th House takes it a step further and asks this: "What do I do in the world?" The 9th House focuses on the discovery of the world and what you make of it. Somehow, in some way, you have to organize the world - essentially, create a worldview.
Aries → 9H: The world is a battlefield, but also a breeding ground for independence and self-assertion. The world is a place where you fight for your authenticity. Mars is the lord of your 9th House, and you use your worldview to externally separate and distinguish yourself.
Taurus → 9H: The world will teach you what will stay consistent and stable after discovering ephemerality. The world is a place where you discover that you must hold your ground. Venus is the lord of your 9th House, and you use your worldview to stabilize your inner connections.
Gemini → 9H: The world will teach you that you will always have the opportunity to learn. The world is a place where you can be flexible to differences, yet question them. Mercury is the lord of your 9th House, and you use your worldview to exchange information with others.
Cancer → 9H: You seek familiarity in the world so that the world cannot surprise you. The world is a place where you can create your boundaries for privacy and safety. The Moon is the lord of your 9th House, and you use your worldview to manage your sensitivities.
Leo → 9H: The world is a stage. Through the beautiful and tragic worldly events, you see parts of yourself echoed in every event. Ultimately, you find and inspire yourself. The Sun is the lord of your 9th House, and you use your worldview to sustain your identity.
Virgo → 9H: The world shows you the practical and the workable. You find the world to be a place to test your rational mechanisms, an opportunity to analyze and think. Mercury is the lord of your 9th House and you use your worldview to organize yourself from within.
Libra → 9H: The world shows you how to socially conduct yourself. Within the world, you discover social nuances and the inevitability of coexistence. Venus is the lord of your 9th House and you use your worldview to initiate peace and justice in the social environment.
Scorpio → 9H: In the world, you discover that things are not always what they seem. There is always a deeper picture, and you are seeking meaning. Mars is the lord of your 9th House and you use your worldview to solidify and justify your place against deception.
Sagittarius → 9H: The world reminds you that you are free. The world is an insightful playground, letting you explore with no strings attached. Jupiter is the lord of your 9th House and you use your worldview
Capricorn → 9H: The world shows you how to handle failure, endings, and responsibility. However, the world helps you cultivate your maturity, strength, and grace. Saturn is the lord of your 9th House and you use your worldview to create your inner critical abilities.
Aquarius → 9H: You discover your potential, yet realize your alienation within the world. The world challenges you, yet you learn to work consistently for progress. Saturn is the lord of your 9th House and you use your worldview to believe in the power of your persistence.
Pisces → 9H: While others try to organize the ambiguity of the world, you find to embrace it instead. The world teaches you to never assume control. Jupiter is the lord of your 9th House and you use your worldview to expand on the inner world you can control: your imagination.