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The First Plants Caused Ice Ages
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| Topic: Biosphere |
02/03/12 |
| Summary: When the first plants evolved on Earth some 470 million years ago, they may have triggered a series of ice ages. The study provides new insight into the links between the climate and biosphere of Earth. |
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Elements of ExoPlanets
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| Topic: New Planets |
02/02/12 |
| Summary: By looking at the wavelengths of light from nearby stars, researchers have determined the abundance of certain elements for more than a hundred stars. Trace elements in such stars may influence their habitable zones, where planets with life might dwell. |
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How Well Can Astronomers Study Exoplanet Atmospheres?
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| Topic: New Planets |
02/01/12 |
| Summary: Exoplanets are now being discovered at pace, and some have been described as "Earth-Like." These claims are often based on the distance between the exoplanet and its host star. Unfortunately, this distance isn't all that makes a planet habitable. |
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Earth's Missing Energy
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| Topic: Climate |
02/01/12 |
| Summary: Using 10 years of data from atmospheric and oceanic data, scientists are providing new information about the energy balance of Earth. |
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Radiation En Route to Mars
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| Topic: Moon to Mars |
01/31/12 |
| Summary: The Radiation Assessment Detector on the Mars Science Laboratory spacecraft measured radiation
from a recent solar storm, providing valuable information for future human space exploration. |
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Underwater Caves Provide Clues to Life Beyond Earth
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| Topic: Extreme Life |
01/31/12 |
| Summary: Discoveries in underwater caves could help scientists understand how life arose in ancient oceans on Earth - and possibly how similar life could survive on other worlds. |
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Ground Truth
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| Topic: Titan |
01/30/12 |
| Summary: A team of scientists has traveled to remote Laguna Negra in the central Andes of Chile to test technologies that could one day be used to explore the lakes of Titan. While the Planetary Lake Lander (PLL) is positioned in its summer home, researchers study the geology of the Leguna Negra basin. |
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What Happened Prior to Snowball Earth?
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| Topic: Geology |
01/30/12 |
| Summary: A new study suggests that geochemical records found in rocks prior to the glaciation event known as 'Snowball Earth' are unrelated to the glaciation itself. |
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