SCIENCE|natural and applied sciences|space science
- réalta athraitheach Ceifide Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- Ceifid Reference 'Ceifid'. Hussey, M. Fréamh an Eolais. Coiscéim, Baile Átha Cliath, 2011. Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- Definition réalta athraitheach a n-ascalaíonn a gile thar thréimhse 1-50 lá, díreach i gcomhréir lena sainmhéid, agus a gile ag fad caighdeánach amach uaithi Reference 'Ceifid'. Hussey, M. Fréamh an Eolais. Coiscéim, Baile Átha Cliath, 2011.
- Cepheiden-Veränderlicher
- de
- Definition Gruppe pulsationsveränderlicher Sterne, bei denen die Schwankungen in der Helligkeit streng periodisch erfolgen Reference "nach Cepheiden, Wikipedia > Cepheiden, https://de.wikipedia.org/wiki/Cepheiden (29.11.2017)"
- Cepheid variable | Cepheid | Cepheid star
- en
- Definition very large, luminous, yellow, pulsating star which changes in brightness very regularly with periods of 1 to 70 days between peaks Reference "COM-EN, based on:University of Cambrdige > Institute of Astronomy > Hands on Universe > Stellar Distances > Variable Stars > Cepheid Variables, http://www.ast.cam.ac.uk/~mjp/cepheids.html [3.6.2016]"