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Early findings from HERA telescope promise deeper understanding of the cosmic dawn(图)
HERA望远镜 宇宙黎明 恒星
2023/6/9
We propose to the community a comprehensive UV/optical/NIR imaging survey of Galactic star formation regions to probe all aspects of the star formation process. The primary goal of such a study is to ...
Physicists closer to understanding balance of matter, antimatter in Universe(图)
Universe Physicists
2014/12/1
Physicists in Syracuse University’s College of Arts and Sciences have made important discoveries regarding Bs meson particles—something that may explain why the Universe contains more matter than anti...
Understanding Compact Object Formation and Natal Kicks. III. The case of Cygnus X-1
Understanding Compact Object Formation Natal Kicks Cygnus X-1
2011/10/20
In recent years, accurate observational constraints become available for an increasing number of Galactic X-ray binaries. Together with proper motion measurements, we could reconstruct the full evolut...
Understanding Giant Radio Galaxy J1420-0545: Large-Scale Morphology, Environment, and Energetics
Understanding Giant Radio Galaxy J1420-0545: Large-Scale Morphology, Environment, and Energetics
2011/10/18
In this paper we consider the possibility that the structure of the largest radio galaxy J1420-0545 is formed by a restarted rather than a primary jet activity. This hypothesis is motivated by the unu...
Understanding strong molecular hydrogen emission in astronomical environments
Understanding strong molecular hydrogen emission astronomical environments
2011/10/13
Here I describe recent studies of objects with molecular hydrogen emission that is strong relative to other spectral lines. Large telescopes and fast spectrometers have made the 2 {\mu}m window access...
Ultraviolet Coronagraph Spectroscopy: A Key Capability for Understanding the Physics of Solar Wind Acceleration
Ultraviolet Coronagraph Spectroscopy Physics of Solar Wind Acceleration
2010/11/15
Understanding the physical processes responsible for accelerating the solar wind requires detailed measurements of the collisionless plasma in the extended solar corona. Some key clues about these pro...
Understanding the Oldest White Dwarfs: Atmospheres of Cool WDs as Extreme Physics Laboratories
Solar and Stellar Astrophysics (astro-ph.SR) Materials Science (cond-mat.mtrl-sci)
2010/12/27
Reliable modeling of the atmospheres of cool white dwarfs is crucial for understanding the atmospheric evolution of these stars and for accurate white dwarfs cosmochronology. Over the last decade {\it...
Understanding the faint red galaxy population using large-scale clustering measurements from SDSS DR7
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2010/12/27
We use data from the SDSS to investigate the evolution of the large-scale galaxy bias as a function of luminosity for red galaxies. We carefully consider correlation functions of galaxies selected fro...
Understanding micro-image configurations in quasar microlensing
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2010/12/22
The micro-arcsecond scale structure of the seemingly point-like images in lensed quasars, though unobservable, is nevertheless much studied theoretically, because it affects the observable (or macro) ...
The Solar Wind: Our Current Understanding and How We Got Here
Solar wind coronal holes solar corona cyclotron resonance MHD waves
2010/9/16
In the original theory for the solar wind, the electron pressure gradient was the principal accelerating force. This was soon recognized to be insufficient to drive the high-speed streams. Subsequentl...
Towards an Understanding of the Formation of Stars and Planets。
Understanding the stellar initial mass function。
Understanding the history of obscured star formation in the high-redshift with coordinated GTC and LMT surveys
obscured star formation high-redshift LMT surveys
2009/6/18
Understanding the history of obscured star formation in the high-redshift with coordinated GTC and LMT surveys。
Understanding CV secondaries and the energetics of Dwarf novae outbursts via parallaxes
Dwarf novae outbursts via parallaxes
2009/6/17
Understanding CV secondaries and the energetics of Dwarf novae outbursts via parallaxes。