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Scientists ditch approximations,begin modeling universe with Einstein’s full theory of General Relativity
Scientists ditch approximations modeling universe Einstein’s full theory General Relativity
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2016/7/4
Research teams on both sides of the Atlantic have shown that precise modeling of the universe and its contents will change the detailed understanding of the evolution of the universe and the growth of...
Failed dwarf galaxy survives galactic collision thanks to full dark-matter jacket
Failed dwarf galaxy survives galactic collision thanks full dark-matter jacket
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2014/6/19
Like a bullet wrapped in a full metal jacket, a high-velocity hydrogen cloud hurtling toward the Milky Way appears to be encased in a shell of dark matter, according to a new analysis of data from the...
Full revision of“单元纯系宇宙”and "Homogenous Cosmos Originated from Unique Genesis
PNT惠合系 单元纯系宇宙
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2015/6/4
作为认识历史延续，“单元纯系宇宙”是从传统科学有关“物质微观结构趋同性”认识积蓄中延伸出来的“宇宙重认识和重定义”，——源自“宇宙单元纯系假设”、关于整个宇宙构造及其宇宙物质性存在与运动变化的“单一线性逻辑体系”。它将传统科学有关“物质微观结构趋同性”认识积蓄兑现至“宇宙单元纯系假设”，继而将宇宙内涵“时空”与“物质”代入“宇宙单元纯系假设”，导出时空与物质间的纯系性“PNT关系(或PNT行为)”...
Cosmological implications from the full shape of the large-scale power spectrum of the SDSS DR7 luminous red galaxies
large-scale structure of Universe – cosmology: theory – cosmology: observations – cosmological parameters
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2011/10/12
We obtain cosmological constraints from a measurement of the spherically averaged power spectrum (PS) of the distribution of about 90000 luminous red galaxies (LRGs) across 7646 deg2 in the Northern G...
Towards a new full-sky list of radial velocity standard stars
Galaxy Astrophysics (astro-ph.GA) Solar and Stellar Astrophysics (astro-ph.SR)
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2010/12/23
The calibration of the Radial Velocity Spectrometer (RVS) onboard the ESA Gaia satellite (to be launched in 2012) requires a list of standard stars with a radial velocity (RV) known with an accuracy o...
TIME SERIES ANALYSIS OF LONG TERM FULL DISK OBSERVATIONS OF THE Mn I 539.4 nm SOLAR LINE
Sun activity-Methods statistical
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2009/3/2
The equivalent width and central depth data of Mn 539.4 nm solar
spectral line, observed in the period from 1979 to 1992 at Kitt Peak Observatory, was
analyzed in pursuit for periodic changes. As th...
Full-spectrum study of small patch of sky yields portrait of maturing universe（图）
galaxies
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2007/3/12
6 March 2007，BERKELEY – A massive project to generate an all-color map of the galaxies in a small area of sky, utilizing four satellite telescopes and four ground-based telescopes, is yielding new inf...