The orbital time or the time the planet takes to go around the sun is 89.969 Earth days, implying that Mercury has a year which is equivalent to 88 days on Earth. It will take approximately 176 days for the planet to experience one sunrise to another sunrise. It takes Mercury approximately 58.64 Earth days (1,408 hours) to rotate on its axis, also known as the sidereal time. It takes about 175.97 Earth days from one sunrise to another, and this is due to the planet’s proximity to the sun and its high speed of orbiting around the sun. Mercury is about 35.98 million miles from the sun. The planets Saturn and Jupiter are the largest, and they are gas planets which are made up of helium and hydrogen, while Neptune and Uranus are the outermost planets, and they are made up of volatiles such as methane ammonia and water. On the other side, there are terrestrial planets which are made up mainly of metals and solid rocks, and they are the four outer planets also known as giant planets which include Jupiter, Saturn, Uranus, and Neptune. There are four planets categorized as inner planets: Mercury, Venus, Earth, and Mars, and they are among the smallest.
There are also five planets identified as dwarf planets and other smaller solar objects which together also orbit around the sun. Our solar system is made up of eight planets that orbit around the sun.
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