2023-12-16 13:50:18时空
深度学习加速星系计算

Supernovae, exploding stars, play a critical role in the formation and evolution of galaxies. However, key aspects of them are notoriously difficult to simulate accurately in reasonably short amounts of time. For the first time, a team of researchers, inc

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2023-12-16 13:50:14时空
研究表明,数十亿年前金星就有类似地球的板块构造

Venus, a scorching wasteland of a planet according to scientists, may have once had tectonic plate movements similar to those believed to have occurred on early Earth, a new study found. The finding sets up tantalizing scenarios regarding the possibility

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2023-12-16 13:50:11时空
天王星极光的发现为宜居的冰世界提供了线索

The presence of an infrared aurora on the cold, outer planet of Uranus has been confirmed for the first time by University of Leicester astronomers.

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2023-12-16 13:50:09时空
地球大气层在产生影响卫星通信的大风暴中的重要性

A study from an international team led by researchers from Nagoya University in Japan and the University of New Hampshire in the United States has revealed the importance of the Earth's upper atmosphere in determining how large geomagnetic storms develop

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2023-12-16 13:50:06时空
为了推进太空殖民化,新研究探索微重力条件下的3D打印

Research from West Virginia University students and faculty into how 3D printing works in a weightless environment aims to support long-term exploration and habitation on spaceships, the moon or Mars.

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2023-12-16 13:50:04时空
美国国家航空航天局的韦布在新的光线下看到的蟹状星云

NASA's James Webb Space Telescope has gazed at the Crab Nebula, a supernova remnant located 6,500 light-years away in the constellation Taurus. Since the recording of this energetic event in 1054 CE by 11th-century astronomers, the Crab Nebula has contin

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2023-12-16 13:50:01时空
巨大的行星投下致命的阴影

Giant gas planets can be agents of chaos, ensuring nothing lives on their Earth-like neighbors around other stars. New studies show, in some planetary systems, the giants tend to kick smaller planets out of orbit and wreak havoc on their climates.

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2023-12-16 13:49:59时空
一颗古老行星的遗迹位于地球深处

In the 1980s, geophysicists made a startling discovery: two continent-sized blobs of unusual material were found deep near the center of the Earth, one beneath the African continent and one beneath the Pacific Ocean. Each blob is twice the size of the Moo

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2023-12-16 13:49:57时空
“侏罗纪世界”可能比现代地球更容易被发现

Things may not have ended well for dinosaurs on Earth, but Cornell University astronomers say the "light fingerprint" of the conditions that enabled them to emerge here provide a crucial missing piece in our search for signs of life on planets orbiting

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2023-12-16 13:49:55时空
爆炸的星星

When massive stars or other stellar objects explode in the Earth's cosmic neighborhood, ejected debris can also reach our solar system. Traces of such events are found on Earth or the Moon and can be detected using accelerator mass spectrometry, or AMS f

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2023-12-16 13:49:52时空
研究人员发现引力透镜对宇宙双折射有显著影响

Future missions will be able to find signatures of violating the parity-symmetry in the cosmic microwave background polarization more accurately after a pair of researchers has managed to take into account the gravitational lensing effect, reports a new s

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2023-12-16 13:49:50时空
黑洞吃东西很乱

New observations down to light-year scale of the gas flows around a supermassive black hole have successfully detected dense gas inflows and shown that only a small portion (about 3 percent) of the gas flowing towards the black hole is eaten by the black

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