Solar System

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    A new study shows that hydrogen peroxide is present over much of the surface of Europa. If hydrogen peroxide mixes through the icy surface and into the water ocean below, it might be an important energy source for life.
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    There are always surprises when we sort through Seth’s wine cellar – who knows what we’ll find! In this cramped cavern, tucked between boxes of old fuses and a priceless bottle of 1961 Chateau Palmer Margaux, we discover the next generation of atomic clock …
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    Most scientists believe that the extinction of the dinosaurs was brought about by an asteroid impact. However, a new study favors a different explanation. Instead, the impact may have been caused by a high-velocity comet.
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    Scientists previously thought that chemistry in Titan's atmosphere became more inert closer to the surface. Now, a new study suggests that complex organic chemistry that could lead to the building blocks of life extends lower in the moon's atmosphere than previously thought.
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    Pesquisadores propuseram um novo método para encontrar planetas semelhantes à Terra. Eles também estimam que o método possa identificar até 100 bilhões de mundos extrassolares.
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    NASA researchers have deployed repurposed military UAVs to study a volcano. The technology could be effective for gathering data about volcanic ash and gases from otherwise inaccessible locations.
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    Life as we know it on Earth would not be possible without the fragile layer of ozone 25 km above our planet's surface. NASA is now preparing to launch the most sophisticated space-based ozone sensor ever.
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    Earth scientists have determined why the movement of Earth's crust doesn't always happen smoothly.
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    NASA's Dawn spacecraft left the protoplanet Vesta six months ago and is now traveling through the depths of the main asteroid belt in pursuit of the dwarf planet Ceres.
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    Liquid water at and beneath frozen Alaskan sand dunes during Arctic winter suggests that liquid water could also be temporarily stable at frost-covered sand dunes on Mars.
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    ENCORE What’s in a name? “Holocene” defines the geologic epoch we’re in. Or were in? Goodbye to “Holocene” and hello “Anthropocene!” Yes, scientists may actually re-name our geologic era as the “Age of Man” due to the profound impact we’ve had on the planet. We’ll
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    Scientists are wondering if NASA could capture a small asteroid and bring it in near proximity to our Moon. In doing so, the asteroid would be more accessible for human explorers.
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    NASA's MAVEN mission to Mars will carry a sensitive magnetic-field instrument that will help reveal new information about the evolution of Mars' atmosphere.
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    A new study indicates that the impact responsible for the Chicxulub crater in Mexico's Yucatan Peninsula triggered a global firestorm that led to global mass extinction.
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    New data from Cassini suggests that the rings and moons of Saturn are bodies that date back to around the time of our solar system's birth.
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