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Sleep Science · Friday · 1 hr 36 min

Inside the Warm Hot Intergalactic Medium(

Between the galaxies lies a vast, invisible ocean of warm gas that holds much of the universe's ordinary matter. In this soothing video, we gently explore the warm hot intergalactic medium, how astronomers detect it, and why it matters. Settle in, relax your mind, and let calming space science guide you into peaceful, restful sleep tonight.

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Between the galaxies lies a vast, invisible ocean of warm gas that holds much of the universe's ordinary matter. In this soothing video, we gently explore the warm hot intergalactic medium, how astronomers detect it, and why it matters. Settle in, relax your mind, and let calming space science guide you into peaceful, restful sleep tonight.

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