Alan Stern, of NASA: we Must accept that in the solar system there are countless planets


Gonzalo López SánchezSEGUIRMadrid Updated: Save Send news by mail electrónicoTu name *

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July 15, 2015, a spacecraft the size of a grand piano went like a bullet through the vicinity of Pluto. After a journey of nine and a half years, the instruments of the “New Horizons” became to this world, until that time, just a smudge gray, in textbooks, in the delights of the curious and planetary scientists. The ship showed that Pluto has mountains, valleys, criovolcanes, glaciers, and an atmosphere blue of nitrogen, the same element that dominates in the earth. But without a doubt the most interesting thing is that it was discovered that this world is “alive”, that is to say, active geologically, and that it is even possible to shelter an ocean of water