| 词条 | Kepler-69b |
| 释义 |
| name = Kepler-69b[1][2] | discoverer = Barclay et al. | discovery_site = Kepler Space Observatory | discovered = 17 April 2013 | discovery_method = Transit (Kepler Mission) | apsis = astron | semimajor = {{convert|0.094|AU|km|abbr=on}} | eccentricity = 0.16 | period = 13.722341 d | inclination = 89.62 | star = Kepler-69 (KOI-172) | mean_radius = 2.24 {{Earth radius|link=y}} | single_temperature = 779K }}Kepler-69b is the innermost planet of the Kepler-69 system. It is likely a hot super-Earth or mini-Neptune.[1][2]{{-}} References1. ^1 {{cite journal |last=Barclay|first=Thomas |display-authors=etal |year=2013 |title=A super-Earth-sized planet orbiting in or near the habitable zone around Sun-like star |journal=The Astrophysical Journal |volume=768 |issue=2 |pages=101 |arxiv=1304.4941 |doi=10.1088/0004-637X/768/2/101 |bibcode=2013ApJ...768..101B}} {{Exoplanets}}{{2013 in space}}{{Sky|19|33|02.622|+|44|52|08.00}}{{extrasolar-planet-stub}}2. ^1 {{cite web |last1=Johnson|first1=Michele|last2=Harrington |first2=J.D. |title=NASA's Kepler Discovers Its Smallest 'Habitable Zone' Planets to Date|url=http://www.nasa.gov/mission_pages/kepler/news/kepler-62-kepler-69.html |date=18 April 2013|work=NASA|accessdate=18 April 2013 }} 4 : Exoplanets discovered in 2013|Transiting exoplanets|Cygnus (constellation)|Exoplanets discovered by Kepler (spacecraft) |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。