Are out of sign aspects valid? For example, would Sun in Aries at 29 degrees be conjunct Mercury in Taurus at 2 degrees? I read somewhere that ancient astrologers didn't use out of sign aspects but I know some modern astrologers do. What's your opinion?

Hello! Does anyone know what the significance of an unaspected planet in the natal chart is? Is it a benevolent or malefic influence? I've heard that a person with an unaspected planet (no conjunctions, oppositions, squares, trines, or sextiles) is completely unaware of how they express that...