(CNN) -- From the realms of science fiction to science fact, the Rosetta mission reached its climax this week when when the mission's scientists succeeded in landing a washing machine-sized probe named Philae on a moving comet after a 6.4 billion mile journey. It has been a decade-long chase around the solar system for the spacecraft to catch up with its constantly moving target, Churyumov-Gerasimenko -- better known as Comet 67P. For many who gaze dreamily at the stars above, this is one of the most exciting thing to happen in recent memory. But why should everyone else care? To answer this question, CNN has brought together five experts in space science to explain why the Rosetta mission is a monumental achievement.
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Rosetta mission lands Philae probe on the surface of a comet
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It has taken 10 years for the ESA-led spacecraft to rendezvous with its target
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Experts weigh in on why this is a monumental achievement for humanity
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