Kissing moons may explain why Earth's moon is so large
(cbc.ca)
Dwarf planet Pluto and our Earth are the only two worlds in our solar system with very large moons. These may have come about by a "kiss and capture" process, which preservesĀ a moon's large size.
Dwarf planet Pluto and our Earth are the only two worlds in our solar system with very large moons. These may have come about by a "kiss and capture" process, which preservesĀ a moon's large size.