A trans-Neptunian object (TNO), also written transneptunian object, is any minor planet in the Solar System that orbits the Sun at a greater average distance than Neptune, which has a semi-major axis of 30.1 astronomical units (AU).
Trans-Neptunian object or TNO is a name astronomers give to any minor planet in the Solar System which orbits (goes around) the Sun beyond the planet Neptune.
Trans-Neptunian object or TNO is a name astronomers give to any minor planet in the Solar System which orbits (goes around) the Sun beyond the planet Neptune.
簡略化する: A trans-Neptunian object (TNO), also written transneptunian object, is any minor planet in the Solar System that orbits the Sun at a greater average distance than Neptune, which has a semi-major axis of 30.1 astronomical units (AU). 出力: