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Earth and Planetary Science
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2014년 08월 20일
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Latest findings suggest that Saturn's rings originated around 4.4 billion years ago. NASA's Cassini spacecraft, which has been orbiting Saturn since 2004, has measured the rate at which dust from outside the Saturn system is falling on the rings and polluting them. The planetary scientists observed... 자세히보기
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2014년 08월 05일
In mid-July, a mysterious 30-meter-wide crater was spotted in the frozen Yamal peninsula in Siberia. Although many theories abounded over the cause of the crater, researchers in Russia believe the mysterious hole was left behind when thermafrost thawed and collapsed and methane released. Andrei... 자세히보기
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2014년 07월 14일
Life on Earth began 260 million years after the planet’s early atmosphere witnessed two major spikes in oxygen concentration — the first one is called the ‘great oxygenation event,’ which occurred one roughly 2.3 billion years ago, and a second occurred 800 million years ago. Researchers say that... 자세히보기
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2014년 06월 02일
John Kovac and his team created a sensation when they announced finding the evidence of primordial gravitational waves in March 2014, thus confirming the theory of inflation. However, this study has become embroiled in controversy ever since. Recently, two independent analyses suggested that the... 자세히보기
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2014년 05월 15일
A team of researchers headed by Simon Clark reported that they have found the "runaway star" that caused the Milk Way Galaxy's only magnetar—a rare type of neutron star that is highly dense and extremely magnetic—in the star cluster Westerlund 1 to form. They suggested that the magnetar formed... 자세히보기