The Most Ridiculous Lies Parents Have Told Their Children (20 pics)

#6

That's actually true to some extent. Gravity from external sources is one of the forces that can move the crust of a celestial body, along with the body's own gravity, temperature and pressure. This external gravity can come from any source, such as a star, planet, moon, asteroid, even a galaxy, though it's unlikely the latter would significantly alter a planet's crust.