Venus is the hottest planet in our solar system despite Mercury being closer to the Sun, due to its thick atmosphere of carbon dioxide.
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The Hubble Space Telescope has captured deep images of distant galaxies.
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The observable universe is about 93 billion light‑years wide.
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A day on Mercury lasts longer than a year on Mercury.
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The event horizon marks the boundary around a black hole.
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The Moon has no breathable atmosphere.
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Comets orbit the Sun in elongated paths.
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The universe has no center.
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The Kuiper Belt contains many icy bodies beyond Neptune.
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