Ahuna Mons, An Alien Volcano With Briny Mud For Magma

This simulated view of Ahuna Mons (Mt. Ahuna) was made using stereo photos NASA’s Dawn spacecraft acquired from its low mapping orbit in August shows one of the asteroid Ceres most remarkable features. Ahuna Mons is likely a cryovolcano or “cold volcano”, formed when salty mud rose up from underground in a growing, dome-like features similar…
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Ice Goes Into Hiding On Ceres / Dawn, Pluto Probe Update

We know there’s ice inside Ceres, but it may be chillin’ on the surface, too. Scientists with NASA’s Dawn mission have identified permanently shadowed craters on the dwarf planet that have likely been cold enough to trap water ice for a billion years. “The conditions on Ceres are right for accumulating deposits of water ice,” said…
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Stargazing On Mars

We’re stuck with Earth for now when it comes to stargazing. And despite the plague of light pollution, it’s still a pretty good planet for looking up. But thanks to planetarium-style software, we can easily jaunt off to Mars and get an inkling of what the night sky has to offer on a different planet.…
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Let The Moon Begin Your Twilight Journey

There’s been a lot of excitement in the sky this past week with multiple appearances of the northern lights and Mercury’s transit of the sun. Now’s a great time to catch your breath by stepping outside to enjoy the slow pace of twilight. Dusk grows longer as we move from spring to summer. If you want…
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Dawn Spacecraft May Visit A Secret Destination

NASA’s Dawn spacecraft orbited Vesta for 14 months in 2011 and 2012, and then departed for Ceres, where it’s orbited since March 2015. This week, Dawn’s been taking stereo views of the dwarf planet’s terrain from just 233 miles (375 kilometers) up or about 20 miles lower than the altitude of the International Space Station. Dawn’s dual-asteroid mission…
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