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Mercury is the smallest planet in our solar system, but it carries some of the biggest extremes. In this episode, we explore its scorching days, freezing nights, and surprisingly complex geology. We discuss why Mercury looks the way it does and what its surface tells us about the early solar system. You’ll hear how space missions transformed Mercury from a blurry dot into a detailed world. Small planet, big science.

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Tau Canis Majoris is a massive, luminous star system hiding in plain sight within a familiar constellation. In this episode, we explore what makes this star unusual, including its intense radiation and complex stellar environment. We talk about how astronomers study stars that are too distant to visit but bright enough to shape their surroundings. Along the way, we’ll touch on stellar evolution and why massive stars live fast and die dramatically. It’s a reminder that even “background” stars can have extraordinary stories.

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