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A Spectroscopic Study of DD UMa: Ursa Major Group Member and Candidate for BRITE
individual: DD UMa stars: abundances – technique: spectroscopic
2011/7/25
The Ursa Major group is a nearby stellar supercluster which, while not gravitationally bound, is defined by co-moving members. DD UMa is a $\delta$ Scuti star whose membership in the Ursa Major group ...
The Solar neighbourhood in angle coordinates: the Hyades moving group
solar neighbourhood – Galaxy: kinematics and dynamics – methods: data analysis
2011/7/7
I investigate the suggestion that the Hyades moving group in the Solar neighbourhood is the result of a recent inner Lindblad resonance. I use dynamical "torus" models of the Galaxy to understand the ...
Stellar astrophysics in the Local Group and beyond with the GTC
Stellar astrophysics Local Group GTC
2009/6/11
Stellar astrophysics in the Local Group and beyond with the GTC。
Dark Energy And Cyclic Universe From Arnowitt-Deser-Misner Renormalizable Group Approach
dark energy Phantom energy ADM formalism accelerated expansion Cyclic universe Bekenstein entropy
2009/3/31
We discuss the generic features of the accelerated universe from Arnowitt-Deser-Misner renormalizable group approach applied for gravity models with variable gravitational coupling constant and cosmol...
November 3, 2006，Those who cannot afford the million-dollar price tag attached to space tourism will be happy to learn that at least their names--and their logos--will be able to travel into space for...