NASAのインスタグラム(nasa) - 7月15日 01時09分

Happy anniversary! One year ago today, our New Horizons mission made history by exploring Pluto and its moons - giving humankind our first close-up look at this fascinating world on the frontier of our solar system. Since those amazing days in July 2015, the New Horizons spacecraft has transmitted numerous images and many other kinds of data home for scientists and the public alike to study, analyze, and just plain love. Our view of this cold, previously unexplored world, 4.67 billion miles from Earth, has evolved since its discovery by Clyde W. Tombaugh in 1930. These short clips and images are from Tombaugh, Hubble and New Horizons over the years, arranged to illustrate improvements in resolution.

Credit: NASA

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