| 词条 | Kepler-25b |
| 释义 |
| name = Kepler-25b | discoverer = Jason H. Steffen et al. | discovery_site = Kepler Space Observatory | discovered = 25 January 2017 | discovery_method = Transit | apsis = astron | semimajor = {{convert|0.068|AU|km|abbr=on}}[1] | eccentricity = {{val|0.05|-0.05|+0.11}}[1] | period = 6.23853555[1] d | star = Kepler-25 | mean_radius = 2.65 (± 0.04)[1] {{Earth radius|link=y}} }} Kepler-25b is an extrasolar planet orbiting the star Kepler-25, located in the constellation Cygnus.[2] It was discovered by the Kepler Space Telescope in 2012. Kepler-25b is one of the most massive planets ever found. if it had the equivalent of 1 extra Saturn mass, it would be considered a brown dwarf, as it has ≈12,7 Jupiter Masses. ≥13 Jupiter Masses is required for deuterium fusion. References1. ^1 2 3 {{cite web|url=http://exoplanetarchive.ipac.caltech.edu/cgi-bin/DisplayOverview/nph-DisplayOverview?objname=Kepler-25+b|title=Kepler-25 b|work=NASA Exoplanet Archive|accessdate=29 December 2016}} {{exoplanet-stub}}2. ^Kepler-25b, NASA 3 : Kepler-25|Exoplanets discovered by Kepler (spacecraft)|Exoplanets discovered in 2012 |
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