搜索结果: 1-15 共查到“星系与宇宙学 Universe”相关记录82条 . 查询时间(0.067 秒)
Between two infinities: Our place in the Universe – a conference by Gianfranco Bertone on 1 June（图）
天文学 理论天体粒子物理 引力波
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2023/5/25
Spectacular advances in modern astronomy have opened our horizon to an unexpected cosmos: a dark, mysterious universe, populated by enigmatic entities we know very little about, such as black holes, d...
2023 Bethe Lecture: How fast is the universe expanding?（图）
宇宙膨胀 哈勃常数 宇宙学
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2023/5/17
The current rate of the expansion of space – called the Hubble constant – is a measure of the age and size of the universe. But recently, a new debate has emerged about the Hubble constant, potentiall...
Astronomers discover metal-rich galaxies in early universe
宇宙 富含金属 星系
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2023/5/17
Scanning the first images of a well-known early galaxy taken by NASA’s James Webb Space Telescope (JWST), Cornell astronomers were intrigued to see a blob of light near its outer edge.
Scientists develop the largest, most detailed model of the early universe to date（图）
早期宇宙模型 黎明女神 Thesan 辐射
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2023/6/9
It all started around 13.8 billion years ago with a big, cosmological “bang” that brought the universe suddenly and spectacularly into existence. Shortly after, the infant universe cooled dramatically...
A glimpse into the universe’s first light（图）
早期宇宙 大爆炸 再电离时代
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2023/6/25
It looks like fireflies flickering in the darkness. Slowly, more and more amass, lighting up the screen in large chunks and clusters.
Yen-Jie Lee probes particle collision data for clues to the universe’s origins（图）
粒子碰撞数据 宇宙起源 粒子物理学
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2023/6/9
When Yen-Jie Lee came to MIT as a graduate student in 2006, it was a bit of a culture shock. The aspiring particle physicist had studied physics at National Taiwan University before his career took a ...
How fast is the universe expanding? Galaxies provide one answer（图）
universe expanding Galaxies answer
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2021/4/9
Determining how rapidly the universe is expanding is key to understanding our cosmic fate, but along with more precise data comes a conundrum. Estimates based on measurements in our current universe d...
New view of nature's oldest light adds fresh twist to debate over universe's age（图）
New view nature oldest light adds fresh twist debate over universe's age
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2020/7/31
From a mountain high in Chile's Atacama Desert, astronomers at the U.S. National Science Foundation's Atacama Cosmology Telescope (ACT) have taken a fresh look at the oldest light in th...
Scientists discover massive rotating disk in early universe（图）
Scientists massive rotating disk early universe
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2020/6/5
In the 13.8 billion-year-old universe, most galaxies form gradually, reaching their large mass relatively late.But the National Science Foundation-funded discovery of a massive rotating disk gala...
New Theory Turns Back Clock on Conditions Behind Universe's Origin
Turns Back Clock Universe's Origin
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2016/2/22
In a new study, scientists from The University of Texas at Dallas and their colleagues suggest a novel way for probing the beginning of space and time, potentially revealing secrets about the conditio...
Extreme Turbulence Roiling 'Most Luminous Galaxy' in the Universe
Extreme Turbulence Roiling Most Luminous Galaxy the Universe
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2016/1/22
The most luminous galaxy in the Universe – a so-called obscured quasar 12.4 billion light-years away – is so violently turbulent that it may eventually jettison its entire supply of star-forming gas, ...
Extreme Turbulence Roiling 'Most Luminous Galaxy' in the Universe
Extreme Turbulence Most Luminous Galaxy the Universe
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2016/2/22
The most luminous galaxy in the Universe – a so-called obscured quasar 12.4 billion light-years away – is so violently turbulent that it may eventually jettison its entire supply of star-forming gas, ...
Green Bank Telescope Joins 'Breakthrough Listen' to Vastly Accelerate Search for Intelligent Life in the Universe
Green Bank Telescope Breakthrough Listen Vastly Accelerate Search Intelligent Life the Universe
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2015/8/4
The National Science Foundation’s Green Bank Telescope (GBT) will join in the most powerful, comprehensive, and intensive scientific search ever for signs of intelligent life in the Universe. The inte...
New model of cosmic stickiness favors “Big Rip” demise of universe（图）
cosmic stickiness favors Big Rip demise of universe
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2015/7/13
The universe can be a very sticky place, but just how sticky is a matter of debate.That is because for decades cosmologists have had trouble reconciling the classic notion of viscosity based on the la...
Studying the Nearby Universe with Chandra
Miller Wang 2002
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2014/12/26
I highlight results from Chandr observations of nearby galaxies, including the Milky Way. These observations have offered insights into old mysteries and indications of new high energy astrophysical p...