NASA Confirms That Pluto Has Water Red Ice and Blue Skies

Images sent back by NASA's New Horizons spacecraft last week reveal that pluto has blue atmospheric hazes and water ice on its surface.

The colour of the haze is caused by called tholins, grey or red coloured particles that scatter blue light in the atmosphere.

"That striking blue tint tells us about the size and composition of the haze particles," science team researcher Carly Howett said in a statement. "A blue sky often results from scattering of sunlight by very small particles. On Earth, those particles are very tiny nitrogen molecules. On Pluto they appear to be larger — but still relatively small — soot-like particles we call tholins."

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