We’re joining forces with our colleagues at Spaceflight Now to provide live coverage of the New Horizons spacecraft’s flyby of 2014 MU69 — also known as Ultima Thule — in the Kuiper Belt a billion miles beyond Pluto. Text updates will appear automatically below. Follow us on Twitter.
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New Horizons reveals Pluto’s widespread water ice
Data from NASA’s New Horizons spacecraft point to more prevalent water ice on Pluto’s surface than previously thought. Water ice is Pluto’s crustal “bedrock,” the canvas on which its more volatile ices paint their seasonally changing patterns. The new false-colour image is derived from observations in infrared light by the probe’s Ralph/Linear Etalon Imaging Spectral Array.
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Did Pluto’s moon Charon possess an ancient subsurface ocean?
This image from NASA’s New Horizons spacecraft focuses on a section of the informally named Serenity Chasma, part of a vast equatorial belt of chasms on Pluto’s largest moon, Charon. Scientists believe that Charon’s subsurface water-ice layer may have been partially liquid in its early history, and has since refrozen, expanded and pushed the surface outward, producing the massive chasms we see today.
