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UA Astronomers Track the Birth of a ‘Super-Earth’（图）
UA Astronomers Track the Birth Super-Earth
2017/7/24
A new model giving rise to young planetary systems offers a fresh solution to a puzzle that has vexed astronomers ever since new detection technologies and planet-hunting missions such as NASA's ...
Boss quasars track the expanding universe: The most precise measurement yet
Boss quasars track expanding universe The most precise measurement yet
2014/4/16
The Baryon Oscillation Spectroscopic Survey (BOSS), the largest component of the third Sloan Digital Sky Survey (SDSS-III), pioneered the use of quasars to map density variations in intergalactic gas ...
The Track Imaging Cerenkov Experiment
Cosmic-ray telescope, Multi-anode Photomultiplier Tube, Imaging Atmospheric Cerenkov Technique
2011/10/10
We describe a dedicated cosmic-ray telescope that explores a new method for detecting Cerenkov radiation from high-energy primary cosmic rays and the large particle air shower they induce upon enterin...
Revealing the physical changes taking place in z-track Motion in low mass x-ray binaries
z-track Motion low mass x-ray binaries
2009/6/17
Revealing the physical changes taking place in z-track Motion in low mass x-ray binaries。