On 14 July, NASA's New Horizons spacecraft will get the best view yet of Pluto, passing roughly 12,500 kilometres from the dwarf planet at the fringes of the Solar System.

Join Nature reporter Alexandra Witze and a team of Pluto experts for live reporting and commentary on 14 July, beginning at 7 a.m. Eastern daylight time. We'll be taking questions on our live blog; you can submit them ahead of time by commenting on this article, or by posting your questions on Twitter using the hashtag #AskNature.

And if you'd like to brush up on all things Pluto before the big day, check out our special report at www.nature.com/pluto.

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