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Articles that go deeper into AstrumFree encyclopedia topics — practical explanations, historical context and guides to using the site's tools.

• 2026-07-21How to Read a Three-Card Tarot Spread (Step-by-Step Guide)The three-card spread is the ideal entry point for anyone moving past the single-card draw without jumping straight to complex layouts like the Celtic Cross. Here's how to do it, in practice.
• 2026-07-21Exu Is Not the Devil: the Origin of a Colonial MisunderstandingOne of the most persistent confusions about Afro-Brazilian religions is the equivalence between Exu and the Christian devil. Here's where that misunderstanding comes from and why it doesn't hold up.
• 2026-07-21Mercury Retrograde Explained: What's Actually Happening in the Sky"Mercury is in retrograde" has become the go-to excuse for any inconvenience. But what's actually happening up there, and why did this period earn its reputation? Separating the orbital mechanics from the cultural interpretation.
• 2026-07-21Western vs. Vedic Astrology: Why Zodiac Dates ShiftIf you found out you're one sign in Western astrology and another in Vedic astrology, it's nobody's mistake. It's a real astronomical phenomenon called the precession of the equinoxes. Here's how it works.
• 2026-07-21How Astrological Houses Work: a Beginner's GuideSigns say "how"; houses say "where." Here's the difference, a bit of history on house-division systems, and why Whole Sign is used in this site's Natal Chart tool.
• 2026-07-21Understanding Astrological Aspects: a Practical Beginner's GuideAspects are the angles between planets in a birth chart — and that's where a lot of astrology's real complexity, and interest, actually lives. Here's how to start reading them without getting lost.