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Jupiter the Giant Planet
Almost everything about Jupiter is a superlative. The Solar System's biggest planet also has the most moons, and its magnetic influence extends well over a million miles into space. It's appropriately named for the mighty king of the classical Roman gods.

Our Sun – Quiz
The Solar System was made from the leftovers of the formation of the Sun. How much do you know about the star that makes life on Earth possible? Try the quiz.

Triton – Neptune's Captured Moon
The Solar System's large moons tend towards the weird and wonderful, and Triton is no exception. It has ice volcanoes, a strange “cantaloupe terrain”, and crazy seasons. It's the only large moon to orbit in the wrong direction, so it didn't form near Neptune. But where did it come from?

Mercury - 10 Facts for Kids

Sextans – the Sextant
Sextans is a southern constellation invented by Johannes Hevelius in the 17th century to represent his astronomical sextant. Its stars are dim, but it's rich in deep sky objects.

Haumea – Facts for Kids

Pluto - Names and Places
New Horizons was nearing Pluto in 2015 and the mission team would need names for the surface features they discovered. So they appealed to the public. The names would be informal ones, but they hoped the International Astronomical Union (IAU) would make them official.

Luna - Earth's Daughter
The Moon has always been our celestial companion, lighting the night, its changes serving as a calendar. What is it, where did it come from, why do we only see one side of it, what is our future together?

Boötes - the Herdsman
This ancient constellation contains black holes as massive as a billion Suns, extrasolar planets and has acquired a meteor shower from an extinct neighbor. Its brightest star, a red giant 25 times the diameter of the Sun, is a sign that spring is here.

Arcturus - the Bear Guardian

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