Mega Man V (Game Boy) weak to specific weapon, the player is encouraged to complete some stages before others. These bosses are known in game as "Mercury", "Venus", "Mars", "Jupiter", "Saturn", "Uranus", "Neptune", and "Pluto", named after the first, second, fourth, and fifth through eighth planets in our Solar System. Pluto was, at the time the game was made, considered a planet, unlike from 2006 and onwards. Terra is named for the Latin word for Earth. Defeating some bosses will allow the player to access Mega Man's robot dog Rush, who can transform into useful "Coil" and "Jet" modes for easier stage navigation. "Mega Man
Planet Nine cause the orbits of the other planets to precess, similar to but slower than the eTNOs, covering short arcs over the lifetime of the Solar System. These observations are consistent with the Planet Nine hypothesis but do not prove that Planet Nine exists as there are other potential explanations for the spin–orbit misalignment of the Solar System. Batygin was cautious in interpreting the results of the simulation developed for his and Brown's research article, saying, "Until Planet Nine is caught on camera it does not count as being real. All we have now is an echo." Brown put the odds