MERCURY
- MERCURY IS THE NEAREST PLANET TO THE SUN.
- MERCURY IS THE FASTEST ORBITTING PLANET OF OUR SOLAR SYSTEM ORBITTING THE SUN IN JUST 88 DAYS.
- MERCURY TAKES 58.6 DAYS TO ROTATE ONCE.
- SO A MERCURY DAY LASTS NEARLY 59 TIMES AS LONG AS OURS
- TEMPERATURES ON MERCURY VARY FROM -180 DEGREE C AT NIGHT TO OVER 430 DEGREE C DURING THE DAY.
- THE CORE OF MERCURY, ABOUT 75%, IS MADE UP OF IRON.
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