You are here
Earth and Planetary Science
Free
2014년 04월 18일
0 Comments
Scientists have discovered an ancient tundra landscape under the Greenland Ice Sheet, preserved for 2.7 million years. This discovery provides strong evidence that the Greenland Ice Sheet has persisted much longer than previously known, enduring through many past periods of global warming and... 자세히보기
Free
2014년 03월 21일
Physicists have made a groundbreaking finding by gathering evidence of a long-predicted twist in light from the big bang that represents the first image of ripples in the universe called gravitational waves. John Kovac, a radio astronomer at the Harvard-Smithsonian Center for Astrophysics in... 자세히보기
Free
2014년 03월 18일
Using sophisticated plate tectonic and 3D numerical modeling, geoscientists have been able to show that break-up of the supercontinent Gondwana about 130 million years ago could have led to a completely different shape of the African and South American continent. While there is no unanimity among... 자세히보기
Free
2014년 02월 04일
In a new study, researchers have concluded that the majority of circumbinary planets must have formed much further away from the central binary stars and then migrated to their current location. The researchers arrived at this conclusion after carrying out computer simulations of the early stages... 자세히보기
Free
2014년 01월 29일
Scientists have discovered the first binary system ever known to consist of a black hole and a Be star. The scientists, who conducted a detailed analysis of the star’s spectrum, found that the star was accompanied by an object with a mass between 3.8 and 6.9 solar masses, and concluded that it was... 자세히보기