搜索结果: 1-15 共查到“天文学 system”相关记录130条 . 查询时间(0.256 秒)
Scientists map gusty winds in a far-off neutron star system（图）
中子星系统 阵风图 星系形成
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2023/6/9
An accretion disk is a colossal whirlpool of gas and dust that gathers around a black hole or a neutron star like cotton candy as it pulls in material from a nearby star. As the disk spins, it whips u...
Astronomers see carbon dioxide on planet outside solar system for first time（图）
詹姆斯韦伯 太空望远镜 系外行星 大气
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2023/6/25
Scientists using NASA’s James Webb Space Telescope have captured definitive evidence of carbon dioxide in the atmosphere of a planet beyond our solar system.
Astronomers confirm existence of two giant, newborn planets in PDS 70 system（图）
Astronomers two giant newborn planets PDS 70 system
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2020/5/22
New evidence confirms that first-ever pictures do capture the birth of a pair of planets orbiting the star PDS 70.Using a new infrared pyramid wavefront sensor for adaptive optics correction at the...
Astronomers confirm existence of two giant, newborn planets in PDS 70 system（图）
Astronomers two giant newborn planets PDS 70 system
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2020/5/29
New evidence confirms that first-ever pictures do capture the birth of a pair of planets orbiting the star PDS 70.Using a new infrared pyramid wavefront sensor for adaptive optics correction at the...
2017 航天系统科学与工程国际会议（The International Conference on Aerospace System Science and Engineering 2017）
2017 航天系统科学与工程 国际会议
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2017/4/25
The International Conference on Aerospace System Science and Engineering (ICASSE 2017) is an international conference series which focuses on system-level research and development regarding astronauti...
ALMA investigates ‘DeeDee,’a distant,dim member of our solar system
ALMA DeeDee a distant dim member solar system
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2017/4/27
Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have revealed extraordinary details about a recently discovered far-flung member of our solar system, the planetary body 2014...
Preface: Evolution of the solar system: New advances in cosmochemistry and planetary chemistry
cosmochemistry planetary chemistry
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2017/4/10
The understanding of evolution of solar system has been
recently entered a phase of major change with the results
of new astronomical observation, several primitive extraterrestrial
samples includi...
Young Stellar System Caught in Act of Forming Close Multiples
Young Stellar System Caught Forming Close Multiples
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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...
Preface: Evolution of the early solar system: Presolar cosmochemical fingerprints and the formation of watery rocky planets
Presolar cosmochemical fingerprints the formation of watery rocky planets
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2017/4/10
Recent developments in cosmochemistry of high-precision
and high spatial resolution isotope analyses, and of
high-performance computing techniques, have enabled
cosmochemists to gain vital insight ...
Earth-Space Telescope System Produces Hot Surprise
Earth-Space Telescope System Hot Surprise
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2016/4/13
Astronomers using an orbiting radio telescope in conjunction with four ground-based radio telescopes have achieved the highest resolution, or ability to discern fine detail, of any astronomical observ...
Cosmochemists find evidence for unstable heavy element at solar system formation
Cosmochemists unstable heavy element solar system
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2016/3/14
UChicago scientists have discovered evidence in a meteorite that a rare element, curium, was present during the formation of the solar system. The finding ends a 35-year-old debate on its possible pre...
Space-Earth System Produces Highest-Resolution Astronomical Image
Space-Earth System Highest-Resolution Astronomical Image
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2016/2/22
Using an orbiting radio-astronomy satellite combined with 15 ground-based radio telescopes, astronomers have made the highest-resolution, or most-detailed, astronomical image yet, revealing new insigh...
Astronomers Catch Multiple-Star System in First Stages of Formation（图）
Astronomers Multiple-Star System First Stages of Formation
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2015/3/4
For the first time, astronomers have caught a multiple-star system in the beginning stages of its formation, and their direct observations of this process give strong support to one of several suggest...
Dark Matter Constraints from the Sagittarius Dwarf and Tail System
the Sagittarius Dwarf Tail System
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2014/12/24
2MASS has provided a three-dimensional map of the >360 degree, wrapped tidal tails of the Sagittarius (Sgr) dwarf spheroidal galaxy, as traced by M giant stars. With the inclusion of radial velocity d...
High-Density Molecular Gas in the Infrared-bright Galaxy System VV 114
kinematics and dynamics VV 114
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2014/12/24
The new high-resolution CO (3-2) interferometric map of the IR-bright interacting galaxy system VV 114 observed with the Submillimeter Array reveals a substantial amount of warm and dense gas in the I...