Charon is unusual because it is the largest moon in the solar system compared ... a double dwarf planet system, not a planet and moon. Charon is smaller than Earth's moon. In fact, Pluto is ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Ever since NASA's New Horizons sent back the first-ever photos of Pluto in 2015, the dwarf planet's mysterious heart ... 40 times further from the sun than Earth, with sunlight taking around ...

The report, published in “Nature Geoscience,” describes how the minuscule dwarf planet could ... “Something big hits Pluto, and you get Charon, but like with the Earth-moon system, we ...

For decades, astronomers have tried to determine how Pluto acquired its unusually large moon Charon, which is about half the size of the dwarf ... planet. The impact sent molten debris from Earth ...

In 2006, the International Astronomical Union (IAU) voted on the definition of a planet. Famously, Pluto no longer met the ...

Of the five dwarf planets in the Solar System ... on a bit at around 153 hours, are nothing compared to its years. Pluto's orbit takes 248 Earth years, meaning it won't complete its first ...

Dwarf planet Pluto and our Earth are the only two worlds in our ... One of the mysteries in our solar system is why our moon is so large compared to our planet. At 3,476 kilometres in diameter ...

Although Seeing in the Dark doesn't directly discuss Pluto, it does celebrate the joy of observing planets. Viewers who watch the show may wonder what happened to Pluto in 2006 and whether any of ...

While Charon is currently listed as a satellite or moon by the International Astronomical Union (IAU), consideration is being given to it perhaps being classified as a dwarf planet in its own right, ...

This composite image of Pluto ... Earth's moon formed billions of years ago, Pluto and its biggest moon, Charon, didn't have a messy breakup. New computer simulations show the primitive dwarf ...