Summer Too Hot? Cool Off With These New Flyover Videos Of Pluto And Charon

Soaring Over Pluto. Credit: NASA/JHUAPL/SSI/LPI It’s been two years since NASA’s New Horizon spacecraft gave us our first closeup look at Pluto and its moons. These new videos use photos and elevation models of of Pluto and its largest moon, Charon, that offer a fresh new perspective of the features that make these objects so fascinating…
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Star Trek Makes Its Mark On Pluto’s Moon Charon

Evocative, isn’t it? That’s Pluto’s largest moon Charon against a star field, illuminated by the faint light reflected from nearby Pluto. The right edge of the moon just catches the sunlight from the side and shows as a bright crescent. NASA’s New Horizons spacecraft was already about 100,000 miles (150,000 km) beyond Pluto when the…
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Pluto’s Heart May Throb With A Salty Ocean

Remember Pluto’s big, white, icy heart? A new study, led by Brown University geologist Brandon Johnson, says there’s a good chance that beneath that ice, there’s 62 miles (100 km) of liquid water. And it’s super salty, similar to the Dead Sea. The research focused on Sputnik Planum, a basin 560 miles (900 km) across that makes up…
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Destination Red / Pluto’s Partly Cloudy Skies

Red it is! NASA’s New Horizons mission, which flew past Pluto last July, is on its way to another asteroid that bears a colorful resemblance to the dwarf planet. Observations made with the Hubble Space Telescope suggest that 2014 MU69, a small icy asteroid in the Kuiper Belt about a billion miles (1.6 billion km) beyond…
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The Mystery Of Pluto’s X-Ray Glow

If you’ve been to a dentist, you’re probably familiar with X-rays. Like the colors purple and red, X-rays are a “color” of light but one invisible to the human eye. If there were X-ray-sensing life forms, who knows what hue they’d see, but it would have a color. Even though X-rays are invisible, they have many…
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