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Scientists analysing data gathered by the Cassini spacecraft have confirmed the presence of heavy negative ions in the upper regions of Titan’s atmosphere. These particles may act as organic building blocks for even more complicated molecules and their discovery was completely unexpected because of the chemical composition of the atmosphere (which lacks oxygen and mainly consists of nitrogen and methane). picked by AutumnLotus 2 years ago tags organic building blocks titan atmosphere cassini ions |
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Oxygen is constantly leaking out of Earth’s atmosphere and into space. Now, ESA’s formation-flying quartet of satellites, Cluster, has discovered the physical mechanism that is driving the escape. It turns out that the Earth’s own magnetic field is accelerating the oxygen away. picked by AutumnLotus 1 year ago 2 comments edit related share science |
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Organic compounds contain carbon and hydrogen and form the building blocks of all life on Earth. By analyzing organic material and minerals in the Martian meteorite Allan Hills 84001, scientists have shown for the first time that building blocks of life formed on Mars early in its history. Previously, scientists have thought that organic material in ALH 84001 was brought to Mars by meteorite impac... read full post picked by AutumnLotus 2 years ago 1 comments edit related share plime.com |
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Scientists have solved a 40-year-old puzzle by identifying the origin of the intense radio waves in the Earth's upper atmosphere that control the dynamics of the Van Allen radiation belts — belts consisting of high-energy electrons that can damage satellites and spacecraft and pose a risk to astronauts performing activities outside their spacecraft. picked by AutumnLotus 2 years ago 0 comments edit related share science |
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Two decades of scrutinizing Saturn are finally paying off, as scientists have discovered a wave pattern, or oscillation, in Saturn's atmosphere only visible from Earth every 15 years. picked by AutumnLotus 2 years ago 1 comments edit related share science |
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Geologists have uncovered evidence of when Earth may have first supported an oxygen-rich atmosphere similar to the one we breathe today. The study suggests that upheavals in the earth’s crust initiated a kind of reverse-greenhouse effect 500 million years ago that cooled the world’s oceans, spawned giant plankton blooms, and sent a burst of oxygen into the atmosphere. picked by AutumnLotus 2 years ago 4 comments edit related share science |
About Plime
Plime is an editable wiki community where users can add and edit weird and interesting links. Users earn karma when other users vote on their actions. The more karma you have, the more power you have at Plime.
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Jupiter's volcanic moon Io is veiled by a thin atmosphere, but how much its volcanoes and chunks of frozen gas contribute to its atmosphere has puzzled scientists for decades. The New Horizons spacecraft recently documented the moon's glowing aurora, however, giving researchers a chance to solve the atmospheric mystery. picked by AutumnLotus 2 years ago 0 comments edit related share plime.com |
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Watching the stars set from the surface of the Earth may be a romantic pastime but when a spacecraft does it from orbit, it can reveal hidden details about a planet’s atmosphere. It works by watching stars from space, while they drop behind the atmosphere of a planet under investigation, before disappearing from view below the planet’s horizon. picked by AutumnLotus 2 years ago 0 comments edit related share plime.com |
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Solar physicists at NASA have confirmed that small, sudden bursts of heat and energy, called nanoflares, cause temperatures in the thin, translucent gas of the sun's atmosphere to reach millions of degrees. picked by kakana 3 months ago 0 comments edit related share science |
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NASA has selected a Mars robotic mission that will provide information about the Red Planet's atmosphere, climate history and potential habitability in greater detail than ever before. 2 comments edit related share scienceI posted this because it has MAVEN. picked by AutumnLotus 1 year ago |
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A space storm has been observed exploding from a central point in Earth's upper atmosphere for the first time. The result could one day lead to better predictions of the storms, which can harm satellites and power grids on the ground. picked by AutumnLotus 6 months ago 2 comments edit related share science |
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Organic molecules – in the form of methane – have been detected on a planet outside our solar system for the first time. The giant planet lies too close to its parent star for the methane to signal life, but the detection offers hope that astronomers will one day be able to analyse the atmospheres of Earth-like worlds. picked by AutumnLotus 2 years ago 5 comments edit related share science |
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Small, sudden bursts of heat and energy, called nanoflares, are responsible for the million-degree temperature of the sun's tenuous atmosphere, a new study reveals. picked by AutumnLotus 3 months ago 4 comments edit related share science |
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The tell-tale signature of the molecule methane in the atmosphere of the Jupiter-sized extrasolar planet HD 189733b has been found with the Hubble Space Telescope. Under the right circumstances methane can play a key role in prebiotic chemistry – the chemical reactions considered necessary to form life as we know it. picked by AutumnLotus 2 years ago 3 comments edit related share science |
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Taking a page from Nature herself, a team of researchers developed a method to enhance removal of carbon dioxide from the atmosphere and place it in the Earth's oceans for storage. picked by AutumnLotus 2 years ago 1 comments edit related share science |
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Astronomers have found the first signature of complex organic molecules in the dust cloud around a distant star, suggesting that these building blocks of life may be a common feature of planetary systems. picked by AutumnLotus 2 years ago 0 comments edit related share science |
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A strange gaseous molecule has been discovered lurking in the atmospheres of both Mars and Venus, scientists announced today, adding that it could affect Venus's hyperactive greenhouse effect. picked by AutumnLotus 2 years ago 1 comments edit related share plime.com |
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Astronomers have recorded heavenly music bellowed out by the Sun’s atmosphere. picked by AutumnLotus 3 years ago 0 comments edit related share plime.com |
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Like fugitives on the run from distant solar systems, meteors hurtle through the earth’s atmosphere, lighting up the eyes of observers on the ground. Often these fireballs of metal and rock burn up in a blaze of glory, and many do not survive their impact with the Earth’s surface. Those that do though start a more settled life here on Earth as meteorites. Some might even claim to be th... read full post picked by sharon22 2 weeks ago 5 comments edit related share plime.com |
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A boundary of air, wrapped like a belt around the earth's equator, is keeping the polluted atmosphere of the Northern Hemisphere separate from the relatively pristine south, say UK researchers. picked by AutumnLotus 1 year ago 1 comments edit related share science |
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"It's kind of an organic approach to making foods safer," said Kathryn Uhrich, a Rutgers professor of chemistry and chemical biology. It's a novel way to control the formation of toxic (microbial) communities by using naturally derived compounds." picked by hisidea 2 years ago 1 comments edit related share plime.com |