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In old Roman legends, Mercury was the swift-footed messenger of the gods. The year on the planet of Mercury is only 88 earth days.
Mercury always keeps one side towards the sun. On this side it is always day, on the other side it is always night. We see only the lighted side.
Mercury appears to us like a yellowish-orange star. The nearest planet to the sun, it is always seen near the sun, either before sunrise or soon after sunset. People sometimes call Mercury the morning or evening star, though it is really a planet.
On its lighted side Mercury’s temperature is about 300 degrees Centigrade. But the dark side is deathly cold — about 150 degrees below zero. So Mercury is probably the coldest, as well as the hottest of the planets.
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Mercury is seen near the sun _____.
before sunrise.
before sunset.
only when it is cold.
before sunrise and after sunset.