Why is Mercury so weird? Blame the giant outer planets.

[Admin]

Mercury is so strange that astronomers have not been able to explain its properties with simulations of the solar system's formation. But now, researchers have found an important clue.

Why is Mercury so weird? Blame the giant outer planets. : Read more

 

[Astra2010]

Maybe what's left is the remaining core of the protoplanet Theia that hit Earth to form the Moon.