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Mercury planet| Space research on Mercury. Untold facts of Mercury | NEXT DIMENSION

Mercury planet| Space research on Mercury. Untold facts of Mercury
The planet Mercury is named after the messenger of the Roman gods, because even the ancient could see how Swift and fleeting it is in the sky. But it wasn’t until recently that scientists began unravelling Mercury’s many mysteries.  Mercury is the smallest planet in our solar system. It’s diameter currently measures just over 3000 miles, about the size of the continental United States. Like earth Mercury is a terrestrial planet with three main layer, a core, a mantel, and a crust. Only Mercury’s crust has no tectonic plates. Also it’s iron core is enormous by comparison, making up 85% of its radius, while Earth’s inner outer core account for just 55%.

Because of the core's exceptional size, it’s has a surprising influence on Mercury’s overall size, by causing it to shrink. The hot iron core has slowly cooler and contracted over the planet 4.5 billion years. In doing so it pulled Mercury’s surface inward, and has caused the planet to shrink radially by more than 4 miles. This shrinking planet is also the planet closet to the sun, orbiting our solar system star at an average distance of roughly 36 million miles. Such proximity affects Mercury’s atmosphere, or rather the lack of one. It only has very thin exosphere, which is traditionally the outermost layer of a planet’s atmosphere. This exosphere is made of oxygen, sodium, hydrogen, helium, and potassium, all wiped up from the planet’s surface by solar winds.

The lack of atmosphere and close proximity to the sun also makes Mercury a planet of extremes. The surface temperature can climb to 800°F(427°C) during the daytime, and fall to 290 degrees below zero at night. But Mercury is not the hottest planet on solar system it’s the Venus. Mercury’s proximity to the sun is also the reason behind it’s ago old reputation of being swift and fleeting.

The sun’s gravity pulls harder on Mercury than any other planet, and like all planets, Mercury travels in an elliptical orbit, slowing down when it’s father away from the sun, and accelerating as it draws closer. Clocking in at an average speed of over 100,000 miles per hour, Mercury slings around the sun in just 88 days.
From earth, Mercury is difficult to observe  because it’s fleeting and so close to the sun. And so far it’s only been visiting by two spacecraft, NASA's Mariner 10 and Messenger. Those missions gave us much of what we know today, but future ventures are in the works with high hopes of revelling more of Mercury’s secret.
Living on Mercury would be very difficult task for mankind, it’s the closest planet to the sun and experiences extreme fluctuations in temperatures with near to no atmosphere. When imagining Mercury most people think of it as being a burning red colour perhaps because of its extreme proximity to the sun but in reality it is much more gray and moon like.

Mercury is a very complex planet but if we had the technology to survive on surface what it would be like . Firstly we’d have to deal with the severe temperature changes. If you could somehow survive the blistering heat throughout the day and looked up into the sky you would see the sun but it would look like 2.5 times larger than it does here on earth. You’d have plenty of time to enjoy the sun’s rays as on Mercury one day lasts almost 59 earth days however the sun wouldn’t be surrounded by a beautiful blue sky. Mercury sky would be black because the planet has virtually no atmosphere to scatter the sun’s light which also means the stars wouldn’t glisten the surface.
However would feel calm as without an atmosphere the planet does not have any weather events but you would be able to see a violent history through Mercury surface scars it’s surface is littered with craters and basins of all sizes. It is the smallest planet in our solar system and has the 38% gravity of Earth, which would mean you could jump three times as high as you can now.

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