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Mysteriously bright flash is a black hole jet pointing straight toward Earth, astronomers say（图）
黑洞生长 超大质量黑洞 兹威基瞬态设施 天文观测
2023/6/9
Earlier this year, astronomers were keeping tabs on data from the Zwicky Transient Facility, an all-sky survey based at the Palomar Observatory in California, when they detected an extraordinary flash...
High precision astrometry mission for the detection and characterization of nearby habitable planetary systems with the Nearby Earth Astrometric Telescope (NEAT)
Exoplanets Planetary systems Planetary formation Astrometry Space Mission
2011/10/11
A complete census of planetary systems around a volume-limited sample of solar-type stars (FGK dwarfs) in the Solar neighborhood with uniform sensitivity down to Earth-mass planets within their Habita...
Occurrence of the 2:1 commensurability in a gas giant-Super-Earth system
methods: numerical - planets and satellites: formation
2011/10/19
We investigate how the conditions occurring in a protoplanetary disc may determine the final structure of a planetary system emerging from such a disc. We concentrate our attention on the dynamical in...