Why Does Neptune’s Moon, Triton, Orbit Backwards? Neptune’s largest moon, Triton, orbits the opposite direction of all other moons in our solar system, and no one is sure why. No, Triton is not a “Death Star” or an artificial object, but it may not have originated near Neptune. Facebook Prev Article Next Article Space Checkout these cool gadgets... Related Posts Asteroid Comes Closer To Earth Than The Moon Why Does Mars Have Blue Sunsets? Space Debris: What Can We Do With Unwanted Satellites? Mars Dried Out Because Its Magnetic Field Is So Weak Major Discovery – Big Bang Gravitational Waves Does Earth Have A Second Moon?