- The Chicago Astronomer -
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The explanation of the strange findings on Mercury
Mercury is the smallest planet and the nearest planet to the Sun. The smallest the planet is, the quicker will it lose its internal heat and become cold.
So Mercury lost its internal heat before the rest of the planets --> then when it lost its internal heat --> it stopped its spinning or its axial rotation around itself, but kept circling around the Sun: keeping one face permanently towards the Sun (like the Moon in relation to the Earth), while the other face is unseen by the Sun and it is perpetual night.
So the heat is tremendous on the hemisphere facing the Sun, and the coldness is bitter on the opposite side that is unseen by the Sun.
2- Then when such cessation of Mercury from spinning ocurred --> the gases of its atmosphere mixed with each other to form a perpetual cloud of smoke filling all the planet atmosphere ( This was at the start when it stopped its spinning long time ago) So at this stage it was like Venus at the present time. solarsystem.nasa.gov/multimedia/gallery/Venus_Clouds.jpg
Venus being the second in size and the second in distance from the sun, it stopped its axial rotation some period of time after Mercury.
3- When it became cold and lost its internal heat --> its gravity weakened --> it then lost all its atmosphere into the space, together with its water.
Therefore, the findings on Mercury are now obviously explained: 1- it does not spin around itself, but only keeps circling around the Sun with only one side facing the Sun. 2- it lost its gases of the atmosphere and all its water, because its gravity could not keep that. 3- it has contracted because of the cooling of its core --> leading to the appearance of grooves and fissures on its surface. 4- it has a large number of cratersdue to the falling of a large number of comets: because comets are attracted to the cold objects (like our Moon.)
The explanation of some findings on Mercury by the MESSENGER
There is no ice at the poles (as did they think before). There is no water on Mercury: all of it evaporated and escaped (together with atmosphere gases) into the space. This planet which once was alive like our Earth is now dead with no signs of life. The bottoms of its rivers, seas and oceans are now exposed to the Sun which seared it completely.