Mercury is one of the most unique planets around, it's the smallest, densest ( in a sense ) and the most eccentric rotation. Until 2008 it was one of the least discovered and to top it all off, the pure rareness of seeing it only at twilight, and the morning but everyone's to tired to really look for it
.GRAC_MESSENGER.jpg Formation: About 4.5 billion years ago a nebula (cloud) of gas and dust went across space forming planets; Mercury was formed in area of the cloud that was rich with iron and dense elements, which explain the density of the planet. Through time Mercury was hit with meteors that caused the dents in the surface.

Physical characteristics:
Mercury is very similar to the moon in that the surface is covered with craters, but surface features suggest at one point there was volcanic activity. Mercury is the smallest planet and the densest planet with the oldest surface. Mercury has an iron core providing a magnetic pull, similar to an atmosphere .mercury_core2.jpg

myth_mercury.jpg Myth: Mercury was the son of Jupiter describes as playful, innocent and helpful he was the messenger god to Jupiter, the planet probably received the name because of it’s speed across the sky and rarity. Before 4th century BC, Greek astronomers believed Mercury to be two separate objects: one visible only at sunrise, which they called 'Apollo' and the other visible only at sunset, which they called 'Hermes'.

History of explorations: The first trip to the planet mercury was by the Mariner 10 by the United States, NASA captured 10 images of the planet, but only on one side. Mercury messenger videoIn 2004 another launch was made by the Unites States called the MESSENGER. The MESSENGER made its first visit to mercury in 2008 and is set to return in 2011, but already they have collected thermal images and pictures of the entire planet.

Current explorations and goals: MESSENGER (MErcury Surface,Space Environment, GEochemistry, and Ranging) because it’s one of the least explored planet, the MESSENGER went to mercury with 6 key questions that wanted to be answered. Question # 1: Why is Mercury so Dense. Question # 2: What is the Geologic history of Mercury? Question # 3: What is the nature of Mercury magnetic field? Question # 4: What is the structure of mercury core? Question # 5: What are the unusual materials at Mercury's poles? Question # 6: What volatiles are important at Mercury? all these question if answered should help us better understand the evolution of a terrestrial planet.

Revolution/Rotation: Mercury orbit is coplanar from its equator, so its orbit is really an eclipse. It only takes Mercury 59 days to make arotation, and only 88 days to circle the sun, so on earth year measuring, there’s only 2 days in a year. But one day on mercury is 176 days on earth.

Conclusion: Mercury is a unique planet if there ever way one, a planet of mystery and creativty, Mercury can teach us more about the evolution of a planet and how you can never know what to exspect from one. Mercury will always be a mystery waiting to be exsplored.

Mercury Nasa
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