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Bob the Alien's Tour of the Solar System
The Sun Mercury Venus Earth The Moon Mars Jupiter Saturn Uranus Neptune Pluto and Dwarf Planets Comets


Space A to Z

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Word Meaning
Naiad Neptune's closest moon, discovered in 1989 by Voyager 2. It orbits Neptune at a distance of 48,227 kilometres (29,967 miles) and is just 67 km (42 miles) in diameter.
Narvi moon of saturn
Nebula (plural nebulae)
Nereid Neptune's third largest moon and the second to be discovered orbiting the planet. It was found by Dutch-American astronomer, Gerard P. Kuiper, in 1949. It is the sixth most distant moon of Neptune, orbiting at an average distance of 5,513,400 kilometres (3,425,868 miles) from the planet. It is about 340 kilometres (211 miles) in diameter.
Neso Most distant of Neptune's moons, discovered in 2003 by Matthew J Holman and Brett J Gladman. Orbiting at a distance of 48,387,000 kilometres (30,066,288 miles), Neso is the most distant known moon of any planet in the Solar System. Neso has a diameter of approximately 60 km (37 miles)
Neutron Star
Nuclear Energy
Nuclear Fusion
Nucleus (plural nuclei)

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