When it comes to the moons of our Solar System, there’s only one planet that doesn’t fit in with our expectations: Neptune. For every other planet, there are two main ways that they acquired ...

For years, scientists have suspected that Triton wasn't part of Neptune's original collection of moons. ... and makes up over 99 percent of all the mass orbiting the planet.

For one, Triton is big. It's the seventh-largest moon in the solar system, and it's over 200 times bigger than all of the other moons of Neptune combined, which makes it really stick out.. Second ...

The planet Neptune reaches “opposition” today. With Earth precisely between it and the Sun, the pale blue ice giant never looks brighter during the year to planet-watchers as it does this week ...

Frankenstein's moon It came in like a wrecking ball. Neptune has one of the weirdest collections of moons in our solar system, and it’s Triton’s fault. The planet’s largest moon probably ...

What's more, Triton's orbit around its planet is inclined, so if you were on the side of the moon that always faces Neptune, you would get a view of not just Neptune's equatorial region, ...

Triton, unique among all the large moons in the solar system because it orbits Neptune in a direction opposite to the planet's rotation, may have abandoned an earlier partner to arrive in its ...