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E.g., 03/17/2018
E.g., 03/17/2018
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  • moon craters
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Your search has returned 828 articles:
  • News in Brief

    AI bests humans at mapping the moon

    Artificial intelligence is helping draw a more detailed map of the moon.

    An AI that studied lunar images to learn what craters look like has discovered thousands of new pockmarks on the moon’s surface. This program could also be used to catalog impact scars on other moons or planets, which might improve scientists’ understanding of how various objects roamed our solar system in the past...

    03/15/2018 - 15:53 Artificial Intelligence, Planetary Science
  • News

    Dwarf planet Ceres may store underground brine that still gushes up today

    Ceres may be regularly coughing up briny water or slush onto its surface.

    The discovery of waterlogged minerals and a growing ice wall suggests that the dwarf planet could harbor underground liquid water or slushy brine, which has escaped through cracks and craters in the recent past and may still be seeping out today. The findings, reported in two papers published online March 14 in...

    03/14/2018 - 18:38 Planetary Science, Astronomy
  • The Name Game

    New Horizons’ next target has been dubbed Ultima Thule

    And the winner is in. Of the roughly 34,000 submissions sent in by the public, NASA has finally chosen an official nickname for the New Horizons spacecraft’s next destination: Ultima Thule.

    New Horizons is scheduled to visit the tiny Kuiper Belt object on New Year’s Day 2019. NASA announced in November that it was seeking public input for a catchier name than the object’s existing...

    03/14/2018 - 15:52 Astronomy, Planetary Science
  • News in Brief

    Cosmic dust may create Mars’ wispy clouds

    The seeds for Martian clouds may come from the dusty tails of comets.

    Charged particles, or ions, of magnesium from the cosmic dust can trigger the formation of tiny ice crystals that help form clouds, a new analysis of Mars’ atmosphere suggests.

    For more than a decade, rovers and orbiters have captured images of Martian skies with wispy clouds made of carbon dioxide ice. But “it...

    03/13/2018 - 17:08 Planetary Science, Astronomy
  • News

    4 surprising things we just learned about Jupiter

    Bit by bit, Jupiter is revealing its deepest, darkest secrets.

    The latest findings are in from the Juno spacecraft. And they unveil the roots of the planet’s storms, what lies beneath the opaque atmosphere and a striking geometric layout of cyclones parked around the gas giant’s north and south poles.

    “We’re at the beginning of dissecting Jupiter,” says Juno mission leader Scott...

    03/07/2018 - 13:00 Planetary Science
  • News in Brief

    How a vaporized Earth might have cooked up the moon

    The moon might have formed from the filling during Earth’s jelly doughnut phase.

    Around 4.5 billion years ago, something hit Earth, and the moon appeared shortly after. A new simulation of how the moon formed suggests it took shape in the midst of a hot cloud of rotating rock and vapor, which (in theory) forms when big planetary objects smash into each other at high speeds and energies....

    03/02/2018 - 10:36 Planetary Science
  • Letters to the Editor

    Readers weigh in on human gene editing and more

    Mission: Mars

    The possibility that human visitors could carry Earth-based microbes to the Red Planet has roiled the Mars research community, Lisa Grossman reported in “How to keep humans from ruining the search for life on Mars” (SN: 1/20/18, p. 22).

    Reader Bruce Merchant speculated that Mars would need a protective global magnetic field to sustain a life-friendly environment. But...

    02/22/2018 - 10:39 Planetary Science, Exoplanets, Science & Society
  • News

    What will it take to go to Venus?

    There’s a planet just next door that could explain the origins of life in the universe. It was probably once covered in oceans (SN Online: 8/1/17). It may have been habitable for billions of years (SN Online: 8/26/16). Astronomers are desperate to land spacecraft there.

    No, not Mars. That tantalizing planet is Venus. But despite all its appeal, Venus is one of the hardest places in the...

    02/13/2018 - 07:00 Planetary Science, Exoplanets
  • News

    Massive dust storms are robbing Mars of its water

    Storms of powdery Martian soil are contributing to the loss of the planet’s remaining water.

    This newly proposed mechanism for water loss, reported January 22 in Nature Astronomy, might also hint at how Mars originally became dehydrated. Researchers used over a decade of imaging data taken by NASA’s Mars Reconnaissance Orbiter to investigate the composition of the Red Planet’s frequent...

    01/22/2018 - 11:00 Planetary Science, Astrobiology
  • News in Brief

    Shallow ice sheets discovered on Mars could aid future astronauts

    Martian ice has a thin skin. The newly discovered exposure of ice on steep banks suggests that the Red Planet’s ice sheets are buried by just a meter or two of soil, researchers report in Science January 12.

    “What’s new and exciting here is that these ice sheets start quite shallowly,” says planetary scientist Colin Dundas of the U.S. Geological Survey in Flagstaff, Ariz. That could be...

    01/11/2018 - 14:00 Planetary Science