Well, since it's on Wiki, simply reporting it to the mods on Wiki should be enough, provided you include links to websites (such as NASA's) which can be trusted to provide the correct answers. It'll also help the Wiki mods ID, catch, and permanently ban those who're making the erroneous changes.

__________________
I am Mugs, of the Alien clan of Usa, Nordamerica, a Terran, of Sol.

Mine: "Perception isn't reality. It's merely an abstraction thereof, and quite often not a very good one at that."

Heinlein's: "Staying young requires the unceasing cultivation of the ability to unlearn old falsehoods." "Freedom begins when you tell Ms. Grundy to go fly a kite."