2Mercury

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Quick Facts about Mercury :


 * Closest Planet to the Sun
 * Currently the smallest planet in the Solar System (since pluto is considered a dwarf planet).
 * It takes 88 days to orbit the Sun.
 * The average surface tempurature ranges from 90 K - 700 K



Size and Distance
 * Mercury is 2nd smallest planet (including pluto) in our solar system.
 * However, it is also the 2nd most dense planet (Earth is 1st).
 * It has a smaller diameter than the moons Ganymede and Titan.
 * It is the closest planet to the sun, although it is the second hottest planet.
 * It has an egg-like orbit, making the distance from the sun vary.
 * At times, it will be very close to the sun, and at times it will be far away.

Caloris Basin
 * Caloris Basin is a giant crater on Mercury.
 * It measures 1300 km in diameter (in comparison, Mercury is 4,880 km in diameter).
 * They believe this impact was also responsible for the odd terrain on the other side of the planet.



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