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Do Missing Jupiters Mean Massive Comet Belts?
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| Topic: Cosmic Evolution |
11/30/12 |
| Summary: Astronomers have discovered vast comet belts surrounding two nearby planetary systems. Both systems also host Earth-to-Neptune-mass worlds. |
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Afinal, Quantas Civilizações Alienígenas Há?
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| Topic: Alien Life |
11/30/12 |
| Summary: Em 2010 Claudio Maccone usou a famosa equação de Frank Drake que estima a vida alienígena para criar a Equação de Drake Estatística. Apesar dos valores numéricos não serem o verdadeiro objetivo, alguns dos seus resultados publicados podem ser boas notícias para a comunidade do SETI. |
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At Last, How Many Alien Civilizations are There?
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| Topic: Alien Life |
11/30/12 |
| Summary: Frank Drake's famous equation for estimating alien life has been altered by one scientist to create the "Statistical Drake Equation". The results provide good news for the SETI community. |
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Another Pac-Man at Saturn
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| Topic: Saturn system |
11/29/12 |
| Summary: NASA's Cassini mission has spotted a second feature shaped like the 1980s video game icon in the Saturn system, this time on the moon Tethys. |
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Ancient Microbes Found Living Beneath Antarctic Ice
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| Topic: Extreme Life |
11/29/12 |
| Summary: A new study reveals, for the first time, how bacteria survive in the dark, salty, subfreezing environment in isolated Antarctic lakes. The data could also help astrobiologists understand life's potential on icy worlds like Enceladus and Europa. |
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Astronauts Collect Cave Life
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| Topic: Extreme Life |
11/28/12 |
| Summary: Astronauts on an underground training course have discovered a new species of woodlouse while exploring a cave in Italy. |
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Dust Grains Highlight Path to Planet Formation
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| Topic: Cosmic Evolution |
11/28/12 |
| Summary: A detailed study of a protoplanetary disk shows that dust grains colliding with and adhere to each other. The process it what will eventually lead to the formation of planets. |
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Opportunity in a Mars Dust Storm
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| Topic: Mars |
11/27/12 |
| Summary: NASA's Opportunity rover has detected atmospheric changes on Mars that are due to a martian dust storm currently being tracked by the Mars Reconnaissance Orbiter. |
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Magnesium Oxide: From Earth to Super Earths
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| Topic: Geology |
11/27/12 |
| Summary: A new study on the mineral magnesium oxide is helping scientists understand the nature of planetary interiors. The results could yield new insight into the evolution of rocky planets. |
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