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How Does Venus’s Thick Atmosphere Compare to Earth’s?
A side-by-side look at how two similar planets evolved radically different atmospheric systems and climates.

The Milky Way stretching across the night sky reminds us how small we are and how vast the universe truly is.
Billions of stars. Countless worlds. Endless discovery.
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A side-by-side look at how two similar planets evolved radically different atmospheric systems and climates.
Astronomy.
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asteroid drift atmosphere Carbon Dioxide climate regulation Earth greenhouse effect magnetic field Mercury Mercury day and night mercury rotation Mercury temperature nuclear fusion orbital mechanics planetary atmospheres planetary habitability planetary temperature planet Mercury runaway greenhouse solar physics solar radiation Solar System solar wind Space weather sun super rotation terrestrial planet terrestrial planets thermal recoil Venus Water Yarkovsky effect YORP effect