搜索结果: 1-15 共查到“国际动态 理学 young”相关记录22条 . 查询时间(0.097 秒)
Major progress made in construction of Fred Young Submillimeter Telescope（图）
弗雷德·杨 亚毫米望远镜 射电天文学
2023/5/22
An enormous hole 22 meters in diameter has been dug near the summit of Cerro Chajnantor in Chile’s Atacama Desert, at an elevation of 18,400 feet. The hole stands ready for the cement foundation on wh...
Galaxies grow by accumulating gas from their surroundings and converting it to stars, but the details of this process have remained murky. New observations, made using the Keck Cosmic Web Imager at th...
Where Food Is Limited,Guppy Mothers Gestate Their Young Longer（图）
Food Is Limited Guppy Mothers Gestate Young Longer
2017/10/25
Trinidadian guppy mamas can’t swap links to maternity blogs or copies of pregnancy books, yet evolution has made them master strategists of childbearing nonetheless. A new study shows that guppies who...
In Hunting Supernovae,'Get Them While They're Young'（图）
Hunting Supernovae Get Them They're Young
2017/9/5
Not many people can say they have watched a star explode before their eyes, but David Sand can.On the evening of March 10, the astronomer happened to be on duty to monitor results coming in from an au...
UMD-led Study Finds Ancient Earth’s Fingerprints in Young Volcanic Rocks
UMD-led Ancient Earth’s Fingerprints Young Volcanic Rocks
2017/4/27
Earth’s mantle is made of solid rock that nonetheless circulates slowly over millions of years. Some geologists assume that this slow circulation would have wiped away any geochemical traces of Earth’...
Rings around young star suggest planet formation in progress
Rings around young star planet formati progress
2016/12/27
Rice University astronomers and their colleagues have for the first time mapped gases in three dark rings around a distant star. The rings mark spaces where planets are thought to have formed from dus...
Young Stellar System Caught in Act of Forming Close Multiples
Young Stellar System Caught Forming Close Multiples
2016/11/4
For the first time, astronomers have seen a dusty disk of material around a young star fragmenting into a multiple-star system. Scientists had suspected such a process, caused by gravitational instabi...
Multiple suns and young planets:NSF-supported graduate researchers lead exoplanet discoveries
Multiple suns young planets NSF-supported graduate researchers exoplanet
2016/7/15
Graduate students supported by the National Science Foundation (NSF) helped helm two separate exoplanet discoveries that could expand researchers' understanding of how planets form and orbit stars.Kev...
In contradiction to the long-standing idea that larger planets take longer to form, U.S. astronomers today announced the discovery of a giant planet in close orbit around a star so young that it still...
Lonely Black Hole Relic Shines Light on Young Universe
Lonely Black Hole Relic Light Young Universe
2016/4/13
Astronomers using the 8-meter Gemini North telescope on Hawaii’s Maunakea have probed an enigmatic, and unexpected, supermassive black hole dominating the core of a large galaxy in the cosmic backwate...
Planet Formation in Earth-like Orbit around a Young Star
Planet Formation Earth Young Star
2016/4/13
The disks of dust and gas that surround young stars are the formation sites of planets. New images from the Atacama Large Millimeter/submillimeter Array (ALMA) reveal never-before-seen detai...
Giant Planets Carving Paths around Four Young Stars,ALMA Observations Suggest
Giant Planets Carving Paths Four Young Stars ALMA
2015/12/22
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have found the clearest evidence yet that giant planets have recently formed around four young stars. These new worlds, each p...
Young chum salmon may get biggest nutrition boost from Elliott Bay restored beaches（图）
Young chum salmon biggest nutrition boost Elliott Bay restored beaches
2015/9/25
In the midst of ferry boats, container ships and tourists crowding Seattle’s Elliott Bay, young salmon are just trying to get a decent meal.The fish hatch in the rivers and streams that feed into Puge...
Taking advantage of the unprecedented sensitivity of the Large Binocular Telescope in southeastern Arizona, an international team of astronomers has obtained the first results from the LEECH exoplanet...
Formation and large-scale confinement of jets emitted by young stars finally elucidated
young stars plane scientists
2014/10/30
An international team of scientists has succeeded in explaining the formation and propagation over astronomical distances of jetsof matter emitted by young stars—one of the most fascinating mysteries ...