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 The
planet most similar to our own is Venus. It is almost the same size as
Earth, it has an atmosphere, and it is rocky. The greenhouse effect,
caused by carbon dioxide in the atmosphere, keeps temperatures on Venus
very high. Named after the Roman goddess of love, this planet is easy to
see in the Earth's sky. Brightly lit by the Sun, Venus appears in our
sky shortly before sunrise or just after sunset.
Click on the buttons below to see more
on the inner planets.
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