NASA unveiled new images today
from its New Horizons mission to Pluto, showing more detail on the dwarf
planet’s surface — as well as additional evidence of flowing ice. Let’s
start backwards with what you could call a “farewell” image, which is
an eclipse of the sun by Pluto as the New Horizons craft sailed off into
the outer edges of the solar system. The image reveals surprisingly
thick, hazy skies that are at least several times higher than what
planetary scientists had expected:
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