Acharya Prashant addresses the popular claim that NASA's detection of galactic sounds validates the ancient Indian concept of Om. He clarifies that Om is not a mere sound, as sounds are primarily for animals; humans communicate through words, which serve as codes or formulas. If a word's meaning is not understood, it remains just a sound. Om is a central formula of Vedanta, representing the three states of consciousness—waking, dreaming, and deep sleep—and the silence that lies beyond them. It is intended to remind an individual to transcend the bondage of these states and reach the ultimate truth. He explains that the four components of Om—A, U, M, and silence—are symbolic. The silence following the chant is the most critical part, as it represents the state of the Self where no worldly activity exists. Acharya Prashant emphasizes that Om is effective only when its meaning is understood. Treating it as a physical vibration or frequency is a sign of ignorance. He argues that spiritual mantras are rooted in knowledge and meaning, not just physical properties like amplitude or wavelength. Without understanding the underlying truth, chanting or listening to sounds provides no real spiritual benefit. The speaker also critiques the tendency to seek validation for spiritual truths from scientific organizations like NASA. He suggests that this reliance on Western approval stems from an inferiority complex and a misplaced priority on money and technology over spiritual wisdom. He warns that using scientific claims to support superstitions only serves to inflate the ego. True peace and liberation come from understanding and consciousness, not from physical sounds or external validation.