2023-12-16 13:48:06时空
生命的基石可能在新的恒星和行星附近形成

While life on Earth is relatively new, geologically speaking, the ingredients that combined to form it might be much older than once thought. According to research published in ACS Central Science, the simplest amino acid, carbamic acid, could ha

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2023-12-16 13:48:03时空
岩石行星可以在极端环境中形成

An international team of astronomers has used NASA's James Webb Space Telescope to provide the first observation of water and other molecules in the highly irradiated inner, rocky-planet-forming regions of a disk in one of the most extreme environments i

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2023-12-16 13:48:00时空
陨石可能是早期地球氮的来源

Micrometeorites originating from icy celestial bodies in the outer Solar System may be responsible for transporting nitrogen to the near-Earth region in the early days of our solar system. That discovery was published today in Nature Astronomy by

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2023-12-16 13:47:58时空
量化的历史上最大的磁暴之一:极光覆盖了从热带到极地的大部分夜空

In early November of this year, aurora borealis were observed at surprisingly low latitudes, as far south as Italy and Texas. Such phenomena indicate the impacts of a solar coronal mass ejection on the Earth's magnetic field and atmosphere. Far more dram

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2023-12-16 13:47:55时空
哈勃张力的一种新的可能解释

The universe is expanding. How fast it does so is described by the so-called Hubble-Lemaitre constant. But there is a dispute about how big this constant actually is: Different measurement methods provide contradictory values. This so-called "Hubble tens

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2023-12-16 13:47:52时空
詹姆斯·韦伯太空望远镜图像中再现幽灵般的尘封星系

It first appeared as a glowing blob from ground-based telescopes and then vanished completely in images from the Hubble Space Telescope. Now, the ghostly object has reappeared as a faint, yet distinct galaxy in an image from the James Webb Space Telescope

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2023-12-16 13:47:49时空
韦布望远镜的发现解释了被称为“砖块”的暗星系区

In a recent study led by University of Florida astronomer Adam Ginsburg, groundbreaking findings shed light on a mysterious dark region at the center of the Milky Way. The turbulent gas cloud, playfully nicknamed "The Brick" due to its opacity, has spar

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2023-12-16 13:47:47时空
新理论将爱因斯坦引力与量子力学结合起来

A radical theory that consistently unifies gravity and quantum mechanics while preserving Einstein's classical concept of spacetime is announced today in two papers published simultaneously by UCL (University College London) physicists.

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2023-12-16 13:47:44时空
100亿年,50000光年的黑洞之旅

A star near the supermassive black hole at the center of the Milky Way Galaxy originated outside of the Galaxy according to a new study. This is the first time a star of extragalactic origin has been found in the vicinity of the super massive black hole.

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2023-12-16 13:47:43时空
跟踪无法检测的太空垃圾

Satellite and spacecraft operators may finally be able to detect small pieces of debris orbiting Earth using an approach proposed by researchers from the University of Michigan.

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2023-12-16 13:47:40时空
解读黑洞早餐的余辉

An entirely new way to probe how active black holes behave when they eat has been discovered by an international team of astronomers.

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2023-12-16 13:47:37时空
从土星冰冷的卫星上能探测到生命迹象吗?

As astrophysics technology and research continue to advance, one question persists: is there life elsewhere in the universe? The Milky Way galaxy alone has hundreds of billions of celestial bodies, but scientists often look for three crucial elements in t

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