Mercury is the smallest planet of our solar system and he is the closest to the sun. The temperature fluctuates between 426 degrees during the day and -173 degrees at night. Mercury rotates slower on its axis than the Earth, making a day there are 58 earth days long.
Read also the Satellites have secrets of Mercury unravel Magnetic field Scientists already know that Mercury, like the Earth is a metal core and that the outer part thereof is a liquid. That explains the magnetic field of the planet. Of the inner part was only suspected that the fix was in. A new study published in the scientific journal Geophysical Research Letters, sheds there is now new light on. And also comes with evidence. the
That evidence was gathered by the MESSENGER probe, NASA. That was in 2004 launched toward Mercury and sent in 2008, the first images of the planet. In 2011, there was a probe in orbit around Mercury, and in 2015 she collapsed checked down on the planet. (read on below)