Stephen Hawking was quick to extend his praise on the historic accomplishment, posting a message on Facebook.
He wrote, "I would like to congratulate the New Horizons team and NASA - National Aeronautics and Space Administration for their historic flyby of Pluto...I can't wait to see what new information the New Horizons spacecraft will reveal about our distant relative."
The highly regarded physicist included a video in the post.
In the video, he expounds upon the great importance of the Pluto mission.
Hawking notes, "The revelations of New Horizons may help us to understand better how our solar system was formed. We explore because we are human, and we want to know. I hope that Pluto will help us on that journey."
Stephen Hawking posts his reaction to New Horizons' Pluto mission
LONDON, ENGLAND - DECEMBER 09: Professor Stephen Hawking attends the UK Premiere of 'The Theory Of Everything' at Odeon Leicester Square on December 9, 2014 in London, England. (Photo by Tim P. Whitby/Getty Images)
LONDON, ENGLAND - FEBRUARY 18: The world's best know scientist Professor Stephen Hawking takes VisitLondon.com's Official Guest of Honour Adaeze Uyanwah on a personal guided tour of his favourite places in the city's famous Science Museum on February 18, 2015 in London, England. On the tour Professor Hawking said he was pleased to lend his synthesised 'voice' to actor Eddie Redmayne for his Oscar-nominated performance in The Theory of Everything but added ' unfortunatley Eddie did not inherit my good looks.' (Photo by Tristan Fewings/Getty Images for London & Partners)
Theoretical physicist Stephen Hawking poses for a picture ahead of a gala screening of the documentary film 'Hawking', a film about his life, at the opening night of the Cambridge Film Festival in Cambridge, eastern England on September 19, 2013. Hawking tells the extraordinary tale of how he overcame severe disability to become the most famous living scientist in a new documentary film premiered in Britain. (Photo credit: ANDREW COWIE/AFP/Getty Images)
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New Horizons is expected to make contact with Earth-bound scientists soon.