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Six-Decade-Old Space Mystery Solved With Shoebox-Sized Satellite Called A CubeSat（图）
Six Decade Old Space Mystery Shoebox-Sized Satellite CubeSat
2017/12/19
A 60-year-old mystery about the source of energetic, potentially damaging particles in Earth's radiation belts has been solved using data from a shoebox-sized satellite built and operated by students....
Assessment of space plasma effectsfor satellite applications:Working Group 2 overview
effectsfor Space plasma
2015/9/14
An important part of the tasks of Working Group 2 of the COST Action 271 «Assessment of space plasma effect for satellites applications» is the assessment of novel data sources for informati...
Space plasma effects on Earth-spaceand satellite-to-satellite communications:Working Group 4 overview
Earth-spaceand satellite-to-satellite Space plasma
2015/9/14
This paper summarizes the the activities carried out by Working Group 4 of COST 271 Action. The structure of this Working Group included four Working packages that were dealing with different aspects ...
Global Distribution of Fe K alpha Lines in the Galactic Center Region Observed with the Suzaku Satellite
Galaxy: Center—Inter stellar medium— X-ray spectra
2011/10/9
We have surveyed spatial profiles of the Fe K$\alpha$ lines in the Galactic center diffuse X-rays (GCDX), including the transient region from the GCDX to the Galactic ridge X-ray emission (GRXE), with...
Galaxy And Mass Assembly (GAMA): the red fraction and radial distribution of satellite galaxies
surveys – galaxies star formation – galaxies interaction – galaxies
2011/8/24
We investigate the properties of satellite galaxies that surround isolated hosts within the redshift range 0.01 < z < 0.15, using data taken as part of the Galaxy And Mass Assembly survey. Making use ...
The Picard solar satellite has been launched on June 15, 2010. This mission is dedicated to the measurement of the solar diameter with an expected accuracy of milliarcseconds of arc. The radiometer on...
Detecting and distinguishing topological defects in future data from the CMBPol satellite
distinguishing topological defects the CMBPol satellite
2011/1/11
The proposed CMBPol mission will be able to detect the imprint of topological defects on the cosmic microwave background (CMB) provided the contribution is sufficiently strong. We quantify the detecti...
Dynamical effects of General Relativity on the satellite-to-satellite range and range-rate in the GRACE mission
Experimental studies of gravity Experimental tests of gravitational theories
2010/11/16
We numerically investigate the impact of the General Theory of Relativity (GTR) on the
satellite-to-satellite range ρ and range-rate ρ˙ of the twin GRACE A/B spacecrafts through their dynamical equat...
A Wide Field Survey of Satellite Galaxies around the Spiral Galaxy M106
galaxies；individual (M106) —galaxies；morphology and pho-tometry — galaxies；dwarf galaxies
2010/11/15
We present a wide field survey of satellite galaxies in M106 (NGC 4258)covering a 1.7◦ × 2◦ field around M106 using Canada-France-Hawaii Tele-scope/MegaCam. We find 16 satellite galaxy can...
The Elemental Abundance Distributions of Milky Way Satellite Galaxies
Elemental Abundance Distributions Milky Way Satellite Galaxies
2010/11/11
The chemical compositions of the stars in Milky Way (MW)satellite galaxies reveals the history of gas flows and star formation (SF)intensity. This talk presented a Keck/DEIMOS spectroscopic survey of ...
Could the Hercules satellite be a stellar stream in the Milky Way halo?
Galaxy Astrophysics (astro-ph.GA)
2010/12/29
We investigate the possibility that Hercules, a recently discovered Milky Way (MW) satellite, is a stellar stream in the process of formation. This hypothesis is motivated by Hercules' highly elongate...
The preferred direction of infalling satellite galaxies in the Local Group
Cosmology and Extragalactic Astrophysics (astro-ph.CO) Galaxy Astrophysics (astro-ph.GA)
2010/12/27
Using a high resolution DM simulation of the Local Group (LG), conducted within the framework of the Constrained Local UniversE Simulation (CLUES) project, we investigate the nature of how satellites ...
Post-Decadal White Paper: A Dual-Satellite Dark-Energy/Microlensing NASA-ESA Mission
Instrumentation and Methods for Astrophysics (astro-ph.IM) Cosmology and Extragalactic Astrophysics (astro-ph.CO) Earth and Planetary Astrophysics (astro-ph.EP)
2010/12/22
A confluence of scientific, financial, and political factors imply that launching two simpler, more narrowly defined dark-energy/microlensing satellites will lead to faster, cheaper, better (and more ...
Artificial Satellite Theory：Contribution of the Tesseral Harmonic Coefficients
Artificial Satellite Tesseral Harmonic Coefficients
2009/6/26
Artificial Satellite Theory：Contribution of the Tesseral Harmonic Coefficients。
ECLIPSE OF JUPITER SATELLITE IO BY EUROPA ON APRIL 3,1991 OBSERVED AT BELGRADE OBSERVATORY
JUPITER SATELLITE ECLIPSE
2009/4/21
ECLIPSE OF JUPITER SATELLITE IO BY EUROPA ON APRIL 3,1991 OBSERVED AT BELGRADE OBSERVATORY。