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Cosmochemists find evidence for unstable heavy element at solar system formation
Cosmochemists unstable heavy element solar system
2016/3/14
UChicago scientists have discovered evidence in a meteorite that a rare element, curium, was present during the formation of the solar system. The finding ends a 35-year-old debate on its possible pre...
Evidence for enhanced chromospheric Ca II H & K emission in stars with close-in extrasolar planets
Planets and satellites magnetic fields Planet star interactions chromospheres
2012/2/23
The planet-star interaction is manifested in many ways. It was found out that a close-in exoplanet causes small but measurable variability in the cores of a few lines in the spectra of several stars w...
Optical and Near-IR long-term monitoring of NGC3783 and MR2251-178: evidence for variable near-IR emission from thin accretion discs
Seyfert galaxies:general — Seyfert galaxies:individual(NGC 3783,MR 2251-178)
2011/9/26
We present long term near-IR light curves for two nearby AGN: NGC3783 and MR2251-178. The near-IR data are complemented with optical photometry obtained over the same period of time. The light curves ...
Evidence for Time Evolution in the Exciting Source of the Expanding Water Maser Bubble in Cepheus A
Water Maser Bubble Cepheus A
2009/6/11
Evidence for Time Evolution in the Exciting Source of the Expanding Water Maser Bubble in Cepheus A。
Density bounding in the H II regions of galactic disks：evidence and consequences
Density bounding galactic disks H II regions
2009/6/11
Density bounding in the H II regions of galactic disks：evidence and consequences。